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The Longue Durée of Andean Movement Networks: Case Study in the Lauca Altiplano
Open accessAbstract
In the Andes, most archaeological research on road networks has focused on specific historical contexts, like the famous Qhapaq ñan, with relatively little work done to understand the long-term dynamics of these networks. Here, we present a case study on the history of movement networks in the Lauca Altiplano, an upland desert of the south-central Andes that has preserved a dense concentration of ancient infrastructure and traces of movement related to great historical routes, such as the one connecting the famous Potosí silver mines. The results of a multi-scale approach combining road network data from historical maps, satellite photo interpretation, and field survey with topographic and stratigraphic data at way station settlement (tambo) sites, demonstrate the great resilience of the road network until the recent modernization of Andean territories and that the Inca and Spanish Empires did not invest significantly in the transportation system, which was largely managed by indigenous actors.
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Written from the paper’s full text.
TL;DR
This paper presents a multi-scale archaeological case study of movement networks in the Lauca Altiplano, combining historical maps, satellite imagery, pedestrian survey, and excavations at tambo sites. It argues that the road network was highly resilient into the 20th century and that Inca and Spanish imperial investment in transportation infrastructure was limited, with indigenous actors managing most movement.
Key findings
- Satellite photo interpretation registered 6,674 km of linear features and 1,186 locations with architecture (57% corrals, 32% residential structures); only 27% could support motorized vehicles, 7% were paved, and 52% were not the shortest path between settlements.
- Historical map analysis compiled 62 maps, of which 25 depicted road networks and 11 were georeferenced; 85% of Risopatrón’s road sections were reproduced on the 1945 Chilean IGM maps, while 21st-century IGM maps show 120% expansion but still include 80% of Risopatrón’s sections, half of which are paved; 20% of Risopatrón’s sections remain visible on satellite imagery but are absent from current IGM maps.
- Pedestrian survey covered 25 of 31 corridors and 293 km of road segments; built road sections were less than 2% of the total surveyed, average archaeological record density was three per kilometer (densest near seven per kilometer), and only 15 of 40 apachetas contained pre-Hispanic material.
- Excavations at five tambos totaled 37 m² across 27 test pits: Tamboqollo’s 18 × 5 m rectangular building was colonial despite its kallanka-like form, with 75% of its bone assemblage thermo-altered; Queñuatambo contained only pre-Hispanic pottery; Changamoqo covered 90 ha with 10 pits showing 19th-century Kuchutambo and 20th-century Taypitambo/Lacatambo; Chajpuyo was a 4 ha complex with four monumental chullpas and five pits; Tambo Chungara’s seven 1 m² units revealed no Inca occupation, only Republican industrial artifacts.
Methods
- Multi-scale historical archaeology combining historical maps (62 compiled, 25 with roads, 11 georeferenced), satellite/aerial imagery interpretation over 517 linear km and 2,043 km² structured as 31 sections, pedestrian survey of 25 corridors covering 293 km, and excavations at five tambo sites (37 m², 27 test pits).
- Analysis integrated topographic and stratigraphic data, road and roadside architecture, artifact scatters, settlement patterns, biogeography (DEM, multispectral imagery, paleoclimate), and statistical correlations such as Pearson coefficients.
- The approach follows archéogéographie’s regressive postulates, treating the current road network as a historical product and combining historical documents, archaeological materials, and oral memories.
Limitations
- The paper states that chronological diagnostics remain approximate because Colonial and Republican material culture is difficult to differentiate; majolica and botija wares continued into the Republican period and lack detailed seriation in the study area; only 40% of sites were examined in situ; excavations at Chajpuyo were limited and no systematic survey was conducted at Cosapa; further excavations are needed at Tambo Chungara; and Corona satellite imagery was limited by resolution and heterogeneous lighting.
- The paper also states that no Formative or Middle Horizon materials were found associated with a road segment, Late Intermediate Period styles continued into the Late Horizon, no clear chronological distinction exists between the two main parallel axes, and no great Inca tambo was identified.
- Evident from the text: the study is a single regional case study in the Lauca Altiplano, so its conclusions may not generalize directly to other Andean road networks; some interpretations rely on oral history and surface assemblages, and the absence of clear imperial infrastructure may partly reflect preservation, visibility, or sampling constraints.
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Claims the paper makes
0 of 51 cited sources checked · 0 supported · 0 flagged
- Findingreasoning
The palimpsest is denser in the eastern region's corridors.
“For this reason, the palimpsest is denser in the eastern region's corridors (see Figure 5B).”
Quote in the paperNot a substantial claim - Findingreasoning
The detail and accuracy of the cartographic representation of Lauca Altiplano's road networks have improved over the centuries.
“The detail and accuracy of the cartographic representation of Lauca Altiplano's road networks have improved over the centuries.”
Quote in the paperNot a substantial claim - Findingown data
Some roads and paths are not connected to any settlement but link a formal road to a resource zone, like the tracks going straight uphill to the Polylepis forests and to the areas where male camelids are seasonally isolated.
“Others are not connected to any settlement but link a formal road to a resource zone, like the tracks going straight uphill to the Polylepis forests and to the areas where male camelids are seasonally isolated.”
Quote in the paperNot a substantial claim - Findingown data
A majority of roads and paths do not connect settlements at the regional and interregional scales: 52% of the registered linear features are not the shortest path between settlements.
“In addition, this review also indicated that a majority of roads and paths do not connect settlements at the regional and interregional scales: 52% of the registered linear features are not the shortest path between settlements (see Figure 5A).”
Quote in the paperSubstantial claim - Findingreasoning
Radial patterns centered on estancias are a clear example of local road density, resulting from the organic multiplication of desirable paths connecting the settlement to its surroundings, including ceremonial paths between the estancia's church and satellite shrines.
“A clear example of local road density are the radial patterns centered on estancias (see Figure 5F) as a result of the organic multiplication of desirable paths connecting the settlement to its surroundings, including ceremonial paths between the estancia's church and satellite shrines”
Quote in the paperNot a substantial claim
- Findingown data
The overall density of historical evidence (0.2/km) surpasses that of pre-Hispanic evidence (0.1/km) in the study area.
“Chronologically, the settlement pattern data, often constrained to a basic diagnostic of architectural forms (with only 40% of sites examined in situ), indicates that the overall density of historical evidence (0.2/km) surpasses that of pre-Hispanic evidence (0.1/km) in the study area.”
Quote in the paperNot a substantial claim - Findingown data
The density of pre-Hispanic ceremonial architecture, such as funerary monuments (chullpas) and fortified hilltops (pucaras), does not significantly correlate with the road palimpsest.
“On the other hand, the density of pre-Hispanic ceremonial architecture, such as funerary monuments (chullpas) and fortified hilltops (pucaras) (Cruz and Joffre 2020), does not significantly correlate with the road palimpsest (see Figure 5G).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Cruz and Joffre 2020 source
Checked before — its earlier verdict is held back until a new check runs.
- Findingreasoning
82% of the 1945 Chilean Geographical Institute topographical map's road network comes from Risopatrón's map.
“not only reveals that this latter map was made upon the former (82% of its road network comes from it)”
Quote in the paperSubstantial claim - Findingown data
85% of Risopatrón's road sections were reproduced on the first edition of the Chilean Geographical Institute's topographical maps in A.D. 1945.
“For instance, the fact that 85% of Risopatrón's road sections were reproduced on the first edition of the Chilean Geographical Institute's topographical maps in A.D. 1945”
Quote in the paperSubstantial claim - Findingown data
The 21st century A.D. IGM maps depict significant transformations, with an overall 120% expansion of the road network.
“In contrast, the 21st century A.D. IGM maps do depict significant transformations, with an overall 120% expansion of the road network.”
Quote in the paperSubstantial claim - Findingreasoning
When tentatively disaggregated, the densities of Colonial and Republican evidence are more comparable to that of the pre-Hispanic.
“When tentatively disaggregated, the densities of Colonial and Republican evidence are, in fact, more comparable to that of the pre-Hispanic.”
Quote in the paperNot a substantial claim - Findingreasoning
The lines between places on colonial maps symbolize connections rather than accurately representing a road layout.
“Indeed, the lines between places symbolize connections rather than accurately representing a road layout.”
Quote in the paperNot a substantial claim - Findingown data
Modern maps only depict a very simplistic representation of the Lauca Altiplano's road network.
“It demonstrated that modern maps only depict a very simplistic representation of the Lauca Altiplano's road network.”
Quote in the paperSubstantial claim - Findingcitation
The section crossing the Lauca Altiplano via Titiri was still in use in early post-Colonial times, as evidenced by Andrews' (1920) testimony.
“However, it is interesting to note that this section was still in use in early post-Colonial times, as evidenced by Andrews' (1920) testimony”
Quote in the paperSubstantial claim0 of 1 sources checked- cites Andrews 1920
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
- Findingown data
Historical map analysis reveals that the Silver Route between Potosí and the Pacific was a complex and changing network rather than a single and fixed itinerary.
“In summary, historical map analysis reveals that the Silver Route between Potosí and the Pacific was a complex and changing network rather than a single and fixed itinerary.”
Quote in the paperSubstantial claim - Findingnone given
In the Lauca region, the first technically accurate maps, with precise projection and topographic detail, date only from the early 20th century A.D.
“In this marginal region of the modern world, the first technically accurate maps, with precise projection and topographic detail (for both the location of places and the terrain), date only from the early 20th century A.D.”
Quote in the paperNot a substantial claim - Findingown data
Many roads and paths connect a small settlement, typically an estancia, to its surrounding lands, commonly forming a radial pattern of a local-scale focal movement system to distinct activity areas (grazing, cultivating, rituals, etc.) related to the estancia.
“Instead, many connect a small settlement, typically an estancia (isolated farm), to its surrounding lands, commonly forming a radial pattern of a local-scale focal movement system to distinct activity areas (grazing, cultivating, rituals, etc.) related to the estancia.”
Quote in the paperSubstantial claim - Findingown data
The density of the road palimpsest moderately correlates with the density of corrals and Christian architecture (Pearson is 0.5 for both).
“and moderately with the density of corrals and Christian architecture (Pearson is 0.5 for both).”
Quote in the paperSubstantial claim - Findingown data
The density of the road palimpsest strongly correlates with that of residential settlements (Pearson coefficient is 0.8).
“The density of the road palimpsest strongly correlates with that of residential settlements (Pearson coefficient is 0.8)”
Quote in the paperSubstantial claim - Findingnone given
It is common to find parallel, colocated road sections corresponding to different movement and transportation technologies that are likely from different epochs.
“Also, it is common to find parallel, colocated road sections corresponding to different movement and transportation technologies that are likely from different epochs.”
Quote in the paperNot a substantial claim - Findingown data
Only 15 out of 40 apachetas contained pre-Hispanic material.
“Only 15 out of 40 apachetas contained pre-Hispanic material.”
Quote in the paperNot a substantial claim - Findingown data
Built features are mainly found in areas crossing steeper terrain, particularly on ascents to high-altitude mountain passes.
“These features are mainly found in areas crossing steeper terrain, particularly on ascents to high-altitude mountain passes (Figure 6B).”
Quote in the paperNot a substantial claim - Findingown data
None of the test pits at Tambo Chungara revealed evidence of an Inca occupation.
“Indeed, none of the test pits revealed evidence of an Inca occupation.”
Quote in the paperSubstantial claim - Findingown data
There is no clear chronological distinction between the two main parallel axes of the study network, as both were in use during the pre-Hispanic and Historic periods.
“For example, there is no clear chronological distinction between the two main parallel axes of our study network, as both were in use during the pre-Hispanic and Historic periods (see Figures 5, 6).”
Quote in the paperNot a substantial claim - Findingnone given
Most road sections correspond to eroded tracks.
“Most of the road sections correspond to eroded tracks.”
Quote in the paperNot a substantial claim - Findingnone given
The oldest of the five tambos have been identified at two adjacent sites (Queñuatambo and Tamboqollo) situated in a high-altitude and sparsely populated region along the corridor between the Copataya and Chungara mountain passes.
“The oldest of the five tambos have been identified at two adjacent sites situated in a high-altitude and sparsely populated region along the corridor between the Copataya and Chungara mountain passes (Figure 9).”
Quote in the paperNot a substantial claim - Findingnone given
Risopatrón's maps depict an extensive and dense road network corresponding to the caminos de herradura (bridle paths) linking the region's main localities.
“Risopatrón's maps depict an extensive and dense road network, corresponding to the caminos de herradura (bridle paths) linking the region's main localities.”
Quote in the paperSubstantial claim - Findingnone given
Built road segments are very scarce in the study area.
“Built road segments are very scarce.”
Quote in the paperNot a substantial claim - Findingown data
Georeferencing the historical maps reveals increasing geographic inaccuracy toward the east, beyond the borderland, reflecting the Chilean point of view of this cartographic production.
“Georeferencing these maps reveals increasing geographic inaccuracy toward the east, beyond the borderland, reflecting the Chilean point of view of this cartographic production.”
Quote in the paperNot a substantial claim - Findingown data
The most common structures directly associated with roads are trail markers, small refuges, and corrals.
“The most common structures directly associated with roads are trail markers, small refuges, and corrals.”
Quote in the paperNot a substantial claim - Findingown data
The rectangular structure at Tamboqollo, despite its resemblance to an Inca kallanka, was constructed during colonial times.
“the two units in Tamboqollo's rectangular structure revealed that, despite its resemblance to an Inca kallanka (large rectangular building), it was constructed during colonial times.”
Quote in the paperSubstantial claim - Findingown data
No stone pavements were identified.
“No stone pavements were identified.”
Quote in the paperNot a substantial claim - Findingown data
Inca and Colonial material culture was found in the test pits at Tamboqollo and Queñuatambo.
“Inca and Colonial material culture found in the test pits.”
Quote in the paperNot a substantial claim - Findingown data
No great Inca tambo was identified in the Lauca Basin.
“Also, no great Inca tambo was identified: we saw that Chungara National Monument's architecture may not be Inca and that the Inca ceramics at Changamoqo could well be associated with the pucara (and not necessarily the hypothetically-disappeared Inca buildings).”
Quote in the paperSubstantial claim - Findingreasoning
The notable density of botija fragments scattered on the ground at Chajpuyo is one of the most explicit pieces of material evidence suggesting the site's connection to transportation.
“One of the most explicit pieces of material evidence suggesting Chajpuyo's connection to transportation is the notable density of botija fragments scattered on the ground.”
Quote in the paperSubstantial claim- Rests on an assumption: Since the Colonial period, botijas have been systematically used to transport liquid goods, making their presence a strong indicator of a site's relationship to transportation networks.
- Findingnone given
It wasn't until the 1970s, with the implantation of minefields, that a major restructuring of the Lauca road network took place, concentrating movement along the road passing through the customs posts at the Tambo Quemado mountain pass.
“It wasn't until the 1970s, with the implantation of minefields, that a major restructuring took place.This transformation concentrated movement along the road passing through the customs posts at the Tambo Quemado mountain pass.”
Quote in the paperSubstantial claim - Findingcitation
Most of the tambos mentioned in Early Colonial chronicles were identified at contemporary isolated farms due to a significant density of Colonial and pre-Hispanic ceramic sherds.
“In some cases, these tambos are (abandoned) archaeological sites, but most of them were identified at contemporary isolated farms due to a significant density of Colonial and pre-Hispanic ceramic sherds (Malvarez 2020).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Malvarez 2020
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
- Findingnone given
Isolated farms along the roads also tend to preserve diagnostic artifacts.
“Isolated farms along the roads also tend to preserve diagnostic artifacts.”
Quote in the paperNot a substantial claim - Findingown data
Built road sections comprise less than 2% of the total surveyed.
“Overall, there are very few built road sections, comprising less than 2% of the total surveyed (see Supplemental Material 2).”
Quote in the paperNot a substantial claim - Findingown data
Almost all surveyed segments display a mix of pre-Hispanic and historical archaeological records in varying proportions.
“Almost all surveyed segments display a mixed of pre-Hispanic and historical archaeological records in varying proportions (Figure 6C, see Supplemental Material 2).”
Quote in the paperSubstantial claim - Findingnone given
For the Colonial period, evidence of imperial investment in roadside logistical infrastructure is almost nonexistent.
“For the Colonial period, evidence of imperial investment in roadside logistical infrastructure is almost nonexistent.”
Quote in the paperNot a substantial claim - Findingown data
Surveys allowed identification of all the tambos mentioned in Early Colonial chronicles.
“Surveys also allowed us to identify all the tambos mentioned in Early Colonial chronicles (Vasquez de Espinosa 1948[1629]; Vaca de Castro 1989Castro [1543]]) (Figure 8).”
Quote in the paperNot a substantial claim0 of 2 sources checked- cites Vasquez de Espinosa 1948[1629]
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
- cites Vaca de Castro 1989Castro [1543]
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
- Findingown data
The other sites identified as tambos in historical and ethnographic sources are very diverse.
“The other sites identified as tambos in historical and ethnographic sources are very diverse.”
Quote in the paperNot a substantial claim - Findingnone given
Monumental roadside rocks frequently serve as refuges and/or sites for rituals.
“Monumental roadside rocks frequently serve as refuges and/or sites for rituals.”
Quote in the paperNot a substantial claim - Findingown data
Isolated surface scatters, typically containing ceramic sherds, bottle fragments, and horseshoes, were found in nearly all surveyed segments.
“Isolated surface scatters, typically containing ceramic sherds, bottle fragments, and horseshoes, were found in nearly all surveyed segments.”
Quote in the paperNot a substantial claim - Findingown data
The archaeological record of the road system reflects a cumulative palimpsest.
“A key result of our research is that the archaeological record of the road system reflects a cumulative palimpsest.”
Quote in the paperSubstantial claim - Findingnone given
These historical maps remain the most detailed and accurate representation, even for Bolivian territory, until the first topographical map production based on aerial photography by Chile and Bolivia's military geographic institutes (IGM) in the late 20th century A.D.
“However, these maps remain the most detailed and accurate representation, even for the Bolivian territory, until the first topographical map production based on aerial photography, done by Chile and Bolivia's military geographic institutes (IGM) in the late 20th century A.D.”
Quote in the paperSubstantial claim - Findingown data
All early colonial tambos mentioned by Vasquez de Espinosa, except for one, were identified archaeologically.
“All early colonial tambos mentioned by Vasquez de Espinosa, except for one, were identified archaeologically.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Vasquez de Espinosa
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
- Study design and conductreasoning
Chronological diagnostics remain approximate due to limitations in systematically and rigorously differentiating material culture from the Colonial and Republican periods.
“However, chronological diagnostics remain approximate due to the limitations in systematically and rigorously differentiating material culture from the Colonial and Republican periods, as discussed in the following sections.”
Quote in the paperSubstantial claim - Interpretationown data
The Lauca Altiplano road network showed great resilience until the recent modernization of Andean territories.
“The results of a multi-scale approach combining road network data from historical maps, satellite photo interpretation, and field survey with topographic and stratigraphic data at way station settlement (tambo) sites, demonstrate the great resilience of the road network until the recent modernization of Andean territories”
Quote in the paperSubstantial claim - Interpretationreasoning
The apparently limited Colonial knowledge of the Titiri section reflects the top-down perspective of Spanish cartographers, likely not the indigenous geography.
“and that this apparently limited Colonial knowledge reflects the top-down perspective of Spanish cartographers, likely not the indigenous geography”
Quote in the paperNot a substantial claim - Interpretationown data
The figure for historical evidence density is likely influenced by the inclusion of 19th and 20th century A.D. materials (0.15/km) within the historical category.
“However, this figure is likely influenced by the inclusion of 19th and 20th century A.D. materials (0.15/km) within the historical category.”
Quote in the paperNot a substantial claim - Interpretationreasoning
Indigenous agents probably never abandoned the Titiri section in practice.
“as indigenous agents probably never abandoned this section in practice.”
Quote in the paperNot a substantial claim - Interpretationnone given
The Inca and Spanish Empires did not invest significantly in the transportation system in the Lauca Altiplano.
“and that the Inca and Spanish Empires did not invest significantly in the transportation system, which was largely managed by indigenous actors.”
Quote in the paperSubstantial claim - Premisecitation
The only material traces of colonial occupation on the Palca, Cobija, or Lluta routes are found in campsites and tambos of Inca origin.
“Instead, the only material traces of colonial occupation are found in campsites and tambos of Inca origin, suggesting significant indigenous agency in transportation activities during the Colonial period (Glave 1991).”
Quote in the paperSubstantial claim0 of 1 sources checked- cites Glave 1991
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
- Premisenone given
Additional tambos on these routes were found to be from the Republican era.
“Besides these Incas tambos, additional tambos were found to be from the Republican era, a fact”
Quote in the paperNot a substantial claim - Premisecitation
The tambo typically embodies the transformation and resilience of the Andean road system since Inca times.
“The tambo, the Andean concept for way station settlements, typically embodies the transformation and resilience of the Andean road system since Inca times (15th-16th centuries A.D.).”
Quote in the paperSubstantial claim0 of 3 sources checked- cites Hyslop 1984
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
- cites Chacaltana 2016
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
- cites Corcoran Tadd 2017
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
- Interpretationreasoning
The transportation system in the Lauca Altiplano was largely managed by indigenous actors.
“and that the Inca and Spanish Empires did not invest significantly in the transportation system, which was largely managed by indigenous actors.”
Quote in the paperSubstantial claim - Interpretationreasoning
The reproduction of 85% of Risopatrón's road sections on the 1945 maps suggests the resilience of the premodern (pre-motorized) movement network well into the 20th century A.D.
“but it also suggests the resilience of the premodern (pre-motorized) movement network well into the 20th century A.D.”
Quote in the paperSubstantial claim - Premisecitation
Road architecture alone does not constitute a strong chronological proxy for Inca roads.
“since road architecture alone does not constitute a strong chronological proxy and because of the reutilization dynamics of most Inca roads (Hyslop 1991).”
Quote in the paperSubstantial claim0 of 1 sources checked- cites Hyslop 1991
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
- Interpretationreasoning
The 20% of Risopatrón's sections that are still visible on satellite imagery but not depicted on the current IGM maps suggests the obsolescence and oblivion of these camino de herradura from the states' territorial planning point of view.
“Having said that, the 20% of Risopatrón's sections that are still visible on satellite imagery but not depicted on the current IGM maps suggests the obsolescence and oblivion of these camino de herradura from the states' territorial planning point of view.”
Quote in the paperNot a substantial claim - Premisecitation
Information on pre-Inca movement systems is mostly restricted to research on Tiwanaku and Wari movement patterns related to Moquegua.
“Information on pre-Inca movement systems is mostly restricted to research on Tiwanaku and Wari movement patterns related to Moquegua (Stanish et al. 2010;Williams 2017;Vining and Williams 2020).”
Quote in the paperNot a substantial claim0 of 3 sources checked - Interpretationreasoning
These macroregional interactions between the Altiplano and the Pacific imply intense traffic that would have supported a road system.
“These macroregional interactions between the Altiplano and the Pacific imply intense traffic that would have supported a road system.”
Quote in the paperSubstantial claim - Premisecitation
Recent work in historical archaeology has demonstrated the resilience of the Andean tambo institution through the Colonial and Republican periods, albeit with significant transformations.
“recent work in historical archaeology has demonstrated the resilience of this Andean institution through the Colonial and Republican periods (16th-20th centuries A.D.), albeit with significant transformations”
Quote in the paperSubstantial claim0 of 3 sources checked- cites Chacaltana 2016
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
- cites Corcoran Tadd 2017
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
- cites Barraza Lescano 2018
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
- Premisecitation
The Lauca Altiplano has preserved a dense concentration of ancient infrastructure and traces of movement related to great historical routes, such as the Potosí silver mines.
“This article documents a case study on the history of such a movement network in the Lauca Altiplano, an upland desert that has preserved a great density of ancient infrastructure and traces of movement and that is also well documented in historical archives due to its association with the great commercial colonial route of Potosí's silver mines and with the later construction of an international”
Quote in the paperSubstantial claim0 of 2 sources checked- cites Lopez Beltran 2016
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
- cites González 2017 source
Checked before — its earlier verdict is held back until a new check runs.
- Premiseown data
In both Tiwanaku and Wari cases, fieldwork recorded the absence of imperial infrastructure comparable to that of the Inca.
“In both cases, fieldwork recorded the absence of imperial infrastructure comparable to that of the Inca.”
Quote in the paperNot a substantial claim - Study design and conductnone given
Pedestrian fieldwork allowed documentation of roads and roadside architecture that are often difficult to detect in satellite imagery.
“The pedestrian fieldwork allowed us to document both the roads and roadside architecture, features that are often difficult to detect in satellite imagery.”
Quote in the paperSubstantial claim - Interpretationcitation
The only material traces of colonial occupation on these routes suggest significant indigenous agency in transportation activities during the Colonial period.
“Instead, the only material traces of colonial occupation are found in campsites and tambos of Inca origin, suggesting significant indigenous agency in transportation activities during the Colonial period (Glave 1991).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Glave 1991
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
- Premisereasoning
The introduction of motorized vehicles occurred very slowly.
“The introduction of motorized vehicles, the great technological change signaling the 20th century A.D., occurred very slowly.”
Quote in the paperNot a substantial claim - Premisecitation
In situ recording of artifact scatters is essential for assessing the chronological use of roads.
“Additionally, it permitted the in situ recording of artifact scatters, which are essential for assessing the chronological use of the roads (Hyslop 1991;Saintenoy et al. 2025) (Figure 7).”
Quote in the paperSubstantial claim0 of 2 sources checked- cites Hyslop 1991
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
- cites Saintenoy et al. 2025 source
- Premiseown data
No colonial infrastructure has been found on the Palca, Cobija, or Lluta routes.
“Interestingly, no colonial infrastructure has been found on the Palca, Cobija, or Lluta routes.”
Quote in the paperSubstantial claim - Study design and conductnone given
Information shared by local inhabitants has been essential in identifying ancient trails.
“Information shared by local inhabitants has been essential in identifying ancient trails.”
Quote in the paperNot a substantial claim - Interpretationreasoning
The presence of two neighboring tambos makes more sense in the context of the colonial era when infrastructure and transport management were overseen by indigenous muleteers.
“The presence of two neighboring tambos makes more sense in the context of the colonial era when infrastructure and transport management were overseen by indigenous muleteers.”
Quote in the paperSubstantial claim - Interpretationnone given
Until its recent paving with asphalt, none of Lauca's road networks were ever truly planned from above.
“first, until its recent paving with asphalt, none of Lauca's road networks were ever truly planned from above”
Quote in the paperNot a substantial claim - Interpretationown data
At both Queñuatambo and Tamboqollo, the absence of modern wares, such as glass, suggests abandonment before the Republican period.
“At both sites, the absence of modern wares, such as glass, suggests an abandonment before the Republican period.”
Quote in the paperNot a substantial claim - Interpretationown data
The Inca origin of Tambo Chungara's standing architecture is doubtful.
“Further excavations are needed, but the Inca origin of its standing architecture is doubtful.”
Quote in the paperSubstantial claim - Interpretationown data
The presence of numerous horseshoe nails in Tamboqollo's assemblage aligns with the site's use as a road station in colonial times.
“Finally, the fact that Tamboqollo's assemblage also comprises numerous horseshoe nails aligns with the site's use as a road station in colonial times.”
Quote in the paperNot a substantial claim - Interpretationreasoning
The archaeological evidence suggests continued use of Inca pottery during the Colonial period.
“This archaeological evidence also suggests the continued use of Inca pottery during the Colonial period.”
Quote in the paperNot a substantial claim - Interpretationnone given
The presence of grass and shrub vegetation indicates varying degrees of abandonment.
“The presence of grass and shrub vegetation indicates varying degrees of abandonment.”
Quote in the paperNot a substantial claim - Interpretationreasoning
The location of Queñuatambo and Tamboqollo, 1 km away from the main road, suggests a preference for sites with access to water and wetlands over the shortest route.
“Second, their location, 1 km away from the main road, suggests a preference for sites with access to water and wetlands over the shortest route.”
Quote in the paperSubstantial claim - Interpretationreasoning
The paving of the international route through Tambo Quemado could be seen as the first instance of top-down planning of the road network in the region's history.
“In light of our interpretation of the Inca and Spanish imperial road systems mentioned earlier, the paving of this international route could be seen as the first instance of top-down planning of the road network in the region's history.”
Quote in the paperNot a substantial claim - Premisecitation
An early itinerary described by Vasquez de Espinosa crosses the Lauca Basin, connecting the Arica highlands to the Qhapaq ñan of the Poopó region described by Vaca de Castro.
“An early itinerary (described by Vasquez de Espinosa) crosses the Lauca Basin, connecting the Arica highlands to the Qhapaq ñan of the Poopó region (described by Vaca de Castro).”
Quote in the paperNot a substantial claim0 of 2 sources checked- cites Vasquez de Espinosa
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
- cites Vaca de Castro
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
- Interpretationown data
During Colonial and Republican times, almost any estancia could function as a tambo within decentralized movement and transportation networks.
“While our results largely align with Hyslop's view on the diversity of the Inca tambo, they also extend it, suggesting that during Colonial and Republican times, almost any estancia could function as a tambo within decentralized movement and transportation networks.”
Quote in the paperSubstantial claim - Interpretationreasoning
The archaeological record indicates that the usage intensity of certain corridors may have fluctuated since pre-Hispanic times.
“Therefore, the archaeological record indicates that the usage intensity of certain corridors may have fluctuated since pre-Hispanic times (Figure 6D-G).”
Quote in the paperSubstantial claim - Interpretationcitation
If both Queñuatambo and Tamboqollo were in use contemporaneously, their close proximity does not align with the expected regular distribution of tambos-typically spaced one day's walk apart along the Qhapaq Ñan.
“If both sites were in use contemporaneously, their close proximity does not align with the expected regular distribution of tambos-typically spaced one day's walk apart along the Qhapaq Ñan (Hyslop 1984).”
Quote in the paperSubstantial claim0 of 1 sources checked- cites Hyslop 1984
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
- Interpretationreasoning
Queñuatambo and Tamboqollo demonstrate that the corridor between the Copataya and Chungara mountain passes, mentioned in colonial chronicles, was inherited from the pre-Hispanic period.
“First, they demonstrate that the corridor between the Copataya and Chungara mountain passes, mentioned in colonial chronicles, was inherited from the pre-Hispanic period.”
Quote in the paperNot a substantial claim - Interpretationown data
The absence of clear early Colonial material culture at Changamoqo does not support the idea that it served as a formal way station on the Potosí Silver Route.
“The absence of clear early Colonial material culture is problematic, as it does not support the idea that Changamoqo served as a formal way station on the Potosí Silver Route, a hypothesis suggested by oral tradition and by both archival and archaeological evidence of its location along the itinerary between the Copataya mountain pass and Cosapa.”
Quote in the paperSubstantial claim - Interpretationown data
The archaeological record suggests that neither the Inca nor the Spanish empire invested significantly in road infrastructure within the study network, despite the region's abundance of Inca sites and monuments and its central location along the Potosí Silver Route.
“Thus, the archaeological record suggests that neither empire invested significantly in road infrastructure within our study network, despite the region's abundance of Inca sites and monuments and its central location along the Potosí Silver Route.”
Quote in the paperSubstantial claim- Rests on an assumption: The archaeological record would preserve evidence of imperial investment in road infrastructure if it existed.
- It may state two separate claims as one. 47
- Probably not a substantial claim. 28
It may state two separate claims as one.
FindingcitationDiachronic analyses of Landsat satellite imagery spanning back to the 1970s demonstrate that rainfall variability has likely influenced the greenness and health of bofedales but not significantly their extension.
“The diachronic analyses of Landsat satellite imagery spanning back to the 1970s demonstrate that rainfall variability has likely influenced their greenness and health but not significantly their extension (Meza Aliaga and Villalobos 2014).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Meza Aliaga and Villalobos 2014
It may state two separate claims as one.
FindingreasoningColonial maps contain sparse information and present several errors in the location of places and the depiction of itineraries.
“In addition to their geographical distortions, colonial maps contain sparse information and present several errors in the location of places and the depiction of itineraries.”
Quote in the paperSubstantial claimIt may state two separate claims as one.
Findingown dataThe 21st century IGM road network still includes 80% of Risopatrón's road sections, half of which have been paved for motorized vehicles' use.
“Nevertheless, this latter network still includes 80% of Risopatrón's road sections, half of which have been paved for motorized vehicles' use.”
Quote in the paperSubstantial claimIt may state two separate claims as one.
FindingreasoningThe higher density of the road palimpsest mainly reflects the abundance of local roads, while the distribution of regional-scale roads is more balanced.
“Interestingly, the higher density of the road palimpsest mainly reflects the abundance of local roads, while the distribution of regional-scale roads is more balanced.”
Quote in the paperNot a substantial claimIt may state two separate claims as one.
Findingown dataPhoto interpretation allowed the registration of 6674 km of linear features, as well as 1186 locations with architecture, typically corrals (57%) and residential structures (32%).
“Photo interpretation allowed us to register 6674 km of linear features, as well as 1186 locations with architecture, typically corrals (57%) and residential structures (32%) (see Figure 5C-E).”
Quote in the paperSubstantial claimIt may state two separate claims as one.
Findingown dataThe cumulative palimpsest visible from the sky is dense and diverse.
“Indeed, the cumulative palimpsest visible from the sky is dense and diverse.”
Quote in the paperNot a substantial claimIt may state two separate claims as one.
Findingown dataHistorical map analysis highlights the limited Colonial knowledge and early post-Colonial neglect of the section crossing the Lauca Altiplano via Titiri.
“It also highlights the limited Colonial knowledge and early post-Colonial neglect of the section crossing the Lauca Altiplano via Titiri.”
Quote in the paperSubstantial claimIt may state two separate claims as one.
Findingown dataThe data reveals a certain degree of nucleation in the distribution of pre-Hispanic evidence, in contrast to the more dispersed pattern observed for historical period ones across the study area.
“Finally, this data also reveals a certain degree of nucleation in the distribution of pre-Hispanic evidence, in contrast to the more dispersed pattern observed for historical period ones across the study area.”
Quote in the paperNot a substantial claimIt may state two separate claims as one.
Findingown dataOf the accumulated 6674 km of linear features registered, only 27% appear capable of supporting motorized vehicles, with only 7% being paved.
“Of the accumulated 6674 km of linear features that we have registered, only 27% appear capable of supporting motorized vehicles, with only 7% being paved.”
Quote in the paperSubstantial claimIt may state two separate claims as one.
Findingown dataIn the densest segments, close to seven archaeological records per kilometer were registered, though the average is three.
“In the densest segments, close to seven archaeological records per kilometer were registered, though the average is three (see Supplemental Material 2).”
Quote in the paperNot a substantial claimProbably not a substantial claim. The paper’s conclusions may not depend on it.
Findingnone givenChajpuyo is a multi-component archaeological site dominated by a chullpas complex.
“Chajpuyo is a multi-component archaeological site dominated by a chullpas complex.”
Quote in the paperNot a substantial claimIt may state two separate claims as one.
Findingnone givenIsolated finds along roads are rare but offer valuable chronological markers for the usage of particular road sections.
“Isolated finds along roads are rare but offer valuable chronological markers for the usage of particular road sections.”
Quote in the paperNot a substantial claimIt may state two separate claims as one.
Findingown dataThe Republican architecture at Changamoqo was constructed on a site with substantial pre-Hispanic occupation, the architecture of which would have been destroyed by the massive industrial construction.
“These excavations also revealed that the Republican architecture was constructed on a site with substantial pre-Hispanic occupation, the architecture of which would have been destroyed by the massive industrial construction.”
Quote in the paperNot a substantial claimProbably not a substantial claim. The paper’s conclusions may not depend on it.
Findingnone givenChangamoqo is an extensive multi-component archaeological site.
“Changamoqo is an extent multi-component archaeological site.”
Quote in the paperNot a substantial claimProbably not a substantial claim. The paper’s conclusions may not depend on it.
Findingnone givenTambo Chungara is located close to the Parinacota lake and Pomerape volcano.
“Tambo Chungara is located close to the Parinacota lake and Pomerape volcano.”
Quote in the paperNot a substantial claimIt may state two separate claims as one.
Findingown dataThe case study found no evidence of centralized flows of imperial resources during the Inca period and revealed that the Spanish Crown did not invest in road infrastructure in a central area of South America's most significant colonial commercial route.
“Historically, this case study found no evidence of centralized flows of imperial resources during the Inca period and revealed that the Spanish Crown did not invest in road infrastructure in a central area of South America's most significant colonial commercial route.”
Quote in the paperSubstantial claim- Rests on an assumption: The archaeological record would preserve evidence of imperial investment in road infrastructure if it existed.
Probably not a substantial claim. The paper’s conclusions may not depend on it. It may state two separate claims as one.
Findingnone givenBoth Tamboqollo and Queñuatambo are located in a small valley with a bofedal, apart from the main road.
“Both tambos are located in a small valley with a bofedal, apart from the main road.”
Quote in the paperNot a substantial claimProbably not a substantial claim. The paper’s conclusions may not depend on it. The paper may give no reason why it holds.
Findingnone givenUntil recently, the Arica-La Paz highway was the only asphalted section in the study area.
“Until recently, the Arica-La Paz highway was the only asphalted section in the study area.”
Quote in the paperNot a substantial claimProbably not a substantial claim. The paper’s conclusions may not depend on it. The paper may give no reason why it holds.
Findingnone givenKuchutambo was a marketplace owned by European entrepreneurs in the late 19th-early 20th centuries A.D.
“Kuchutambo was a marketplace owned by European entrepreneurs in the late 19th-early 20th centuries A.D.”
Quote in the paperNot a substantial claimProbably not a substantial claim. The paper’s conclusions may not depend on it.
Findingnone givenTopological distortions in the compiled historical road network reflect inconsistencies in certain maps, especially the oldest ones.
“Topological distortions reflect inconsistencies in certain maps, especially the oldest ones.”
Quote in the paperNot a substantial claimProbably not a substantial claim. The paper’s conclusions may not depend on it. The paper may give no reason why it holds.
Findingnone givenFurrows at Changamoqo were formed by the passage of mules loaded with silver from Potosí, as located by current Changamoqo's inhabitants.
“Furrows formed by the passage of mules loaded with silver from Potosí (located by current Changamoqo's inhabitants).”
Quote in the paperNot a substantial claimIt may state two separate claims as one.
Findingown dataThere is no evidence to support the hypothesis of a Colonial-period tambo at Changamoqo: no diagnostic artifacts exclusively associated with the Colonial period were found, as many ceramics of colonial traditions likely continued in use into the Republican period.
“there is no evidence to support this hypothesis for the Colonial period: no diagnostic artifacts exclusively associated with the Colonial period were found, as many ceramics of colonial traditions (such as botijas and majolicas) likely continued in use into the Republican period.”
Quote in the paperSubstantial claimIt may state two separate claims as one.
Findingown dataThere is no correlation between LIP, Inca, and Colonial periods in the frequencies of pre-Hispanic and historical evidence, while the Colonial and Republican ones do correlate to some degree (Pearson coefficient is 0.4).
“there is no correlation between Late Intermediate Period (LIP), Inca, and Colonial periods, while the Colonial and Republican ones do correlate to some degree (Pearson coefficient is 0.4).”
Quote in the paperSubstantial claimIt may state two separate claims as one.
Findingnone givenMost artifacts found in the test pits at Tambo Chungara are pieces of industrial iron and glass, including a Bolivian coin from A.D. 1893.
“Most artifacts found in the test pits are pieces of industrial iron and glass, including a Bolivian coin from A.D. 1893.”
Quote in the paperNot a substantial claimProbably not a substantial claim. The paper’s conclusions may not depend on it. It may state two separate claims as one.
FindingcitationMonumental Andean cairns called apacheta were typically found in mountain passes, with the biggest ones at the highest elevations.
“while famous monumental Andean cairns called apacheta were typically found in mountain passes (Girault 1958), with the biggest ones at the highest elevations.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Girault 1958 source
Checked before — its earlier verdict is held back until a new check runs.
It may state two separate claims as one.
Findingown dataFour units excavated in the two courtyards of Kuchutambo, combined with technological and spatial analysis of the architecture, provided material evidence that the main courtyard functioned as a commercial space for storage and trade of goods, while the rear courtyard served as a domestic area during the 19th century A.D.
“Four units excavated in the two courtyards of Kuchutambo, combined with technological and spatial analysis of the architecture, provided material evidence about the market's operation during the 19th century A.D.: the main courtyard appears to have functioned as a commercial space for the storage and trade of goods, while the rear courtyard served as a domestic area.”
Quote in the paperSubstantial claimIt may state two separate claims as one.
Findingown dataApachetas are systematically found at high-altitude mountain passes, often providing scenic views of the highest volcanoes.
“Apachetas are systematically found at high-altitude mountain passes, often providing scenic views of the highest volcanoes.”
Quote in the paperNot a substantial claimProbably not a substantial claim. The paper’s conclusions may not depend on it.
Findingnone givenSome apachetas also align with modern boundary markers.
“Some also align with modern boundary markers.”
Quote in the paperNot a substantial claimIt may state two separate claims as one.
Findingown dataRoadside refuges (pascana) are generally basic nonroofed, unmortared structures consisting of a curved stone wall where pre-Hispanic material is frequently found and generally mixed with historical objects.
“Roadside refuges, locally designated with the Aymara term pascana, are generally basic nonroofed, unmortared structures consisting of a curved stone wall where pre-Hispanic material is frequently found and generally mixed with historical objects.”
Quote in the paperNot a substantial claimIt may state two separate claims as one.
Findingown dataThe exploratory excavations documented chronology and specific activities at each site, revealing chronological and functional diversity of the five tambos and establishing an archaeological sequence of the way station settlements' usage since Inca times.
“These exploratory excavations successfully documented chronology and specific activities at each site.As a result, they revealed the chronological and functional diversity of the five tambos, establishing an archaeological sequence of the way station settlements' usage since Inca times.”
Quote in the paperSubstantial claimIt may state two separate claims as one.
Findingnone givenSurface chronological material at Chajpuyo is abundant, mostly composed of Inca ceramics.
“Surface chronological material is abundant, mostly composed of Inca ceramics.”
Quote in the paperNot a substantial claimIt may state two separate claims as one.
FindingreasoningThe first edition of Chile's topographical map in A.D. 1945 reproduces Risopatrón's geometric error and largely the same data, indicating that it was made upon Risopatrón's map.
“For instance, the first edition of Chile's topographical map in A.D. 1945 reproduces Risopatrón's geometric error and largely the same data, indicating that it was made upon it.”
Quote in the paperNot a substantial claimIt may state two separate claims as one.
Findingown dataThe Pearson correlation coefficient between the satellite-based and pedestrian-based archaeological records is only 0.3 for pre-Hispanic evidence and is null for historical evidence.
“the Pearson correlation coefficient between the satellite-based and pedestrian-based archaeological records is only 0.3 for pre-Hispanic evidence and is null for historical evidence.”
Quote in the paperSubstantial claimIt may state two separate claims as one.
Findingown dataRoadside refuges and corrals are common and often contain diagnostic artifacts.
“Roadside refuges and corrals are common and often contain diagnostic artifacts.”
Quote in the paperNot a substantial claimIt may state two separate claims as one.
Findingown dataInca vestiges were sparsely found almost everywhere, and no corridors appear to have centralized imperial-style material flows.
“Inca vestiges were sparsely found almost everywhere, and no corridors appear to have centralized imperial-style material flows.”
Quote in the paperSubstantial claimIt may state two separate claims as one.
Findingown dataDespite its Inca kancha appearance, excavations at Taypitambo found no Inca evidence and suggest that it was an indigenous tambo of the early 20th century A.D.
“Despite its Inca kancha appearance, excavations found no Inca evidence and suggest that Taypitambo was an indigenous tambo of the early 20th century A.D.”
Quote in the paperNot a substantial claimIt may state two separate claims as one.
FindingcitationNo detailed seriation is available in the study area to rigorously determine the chronology of botijas, and this colonial tradition continued to be used well into the Republican period.
“However, the botijas pose a chronological challenge, because no detailed seriation is available in our study area to rigorously determine their chronology and also because, like majolica, this colonial tradition continued to be used well into the Republican period (Rice 1997(Rice , 2017;;Schavelzon 2018Schavelzon [2001]]).”
Quote in the paperNot a substantial claim0 of 3 sources checked- cites Rice 1997 source
- cites Rice 2017
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
- cites Schavelzon 2018 [2001]
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
Probably not a substantial claim. The paper’s conclusions may not depend on it. The paper may give no reason why it holds.
Findingnone givenThe Inca styles found at Chajpuyo are exceptionally diverse.
“The Inca styles found at Chajpuyo are exceptionally diverse.”
Quote in the paperNot a substantial claimIt may state two separate claims as one.
Findingnone givenChangamoqo is a vast complex covering 90 ha, comprising a pucara hilltop, an industrial foundry and marketplace (Kuchutambo), and two small indigenous estancias (Taypitambo and Lacatambo).
“Archaeologically, Changamoqo is a vast complex covering 90 ha, comprising a pucara hilltop, an industrial foundry and marketplace (known as Kuchutambo), and two small indigenous estancias (Taypitambo and Lacatambo).”
Quote in the paperNot a substantial claimIt may state two separate claims as one.
Findingown dataMost of the other tambo sites are vanished estancias with some artifacts of colonial and pre-Hispanic traditions, though their chronological attribution requires further archaeological study.
“Most of them are vanished estancias with some artifacts of colonial and pre-Hispanic traditions, although their chronological attribution requires further archaeological study.”
Quote in the paperNot a substantial claimProbably not a substantial claim. The paper’s conclusions may not depend on it. It may state two separate claims as one.
Findingnone givenSmall stone cairns likely used as trail markers are common, though their age is generally difficult to assess.
“Small stone cairns likely used as trail markers are common, though their age is generally difficult to assess.”
Quote in the paperNot a substantial claimProbably not a substantial claim. The paper’s conclusions may not depend on it. The paper may give no reason why it holds.
Findingnone givenTambo Chungara possesses a privileged panoramic view of the international borderland.
“Tambo Chungara possesses a privileged panoramic view of the international borderland.”
Quote in the paperNot a substantial claimProbably not a substantial claim.
PremisecitationMost Inca roads were subject to reutilization dynamics.
“since road architecture alone does not constitute a strong chronological proxy and because of the reutilization dynamics of most Inca roads (Hyslop 1991).”
Quote in the paperSubstantial claim0 of 1 sources checked- cites Hyslop 1991
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
It may state two separate claims as one.
PremisecitationBoth written archives and archaeological correlates indicate that the Lauca region's two greatest leaders, Chuquichambi and Guamanvilca, were associated with the Inca Empire and headed a socioterritorial settlement network which extended to the Pacific coast in Arica along the S18° parallel.
“Both written archives and their archaeological correlates indicate that the region's two greatest leaders, Chuquichambi and Guamanvilca, were associated with the Inca Empire and headed a socioterritorial settlement network which extended to the Pacific coast in Arica along the S18° parallel”
Quote in the paperSubstantial claim0 of 3 sources checkedProbably not a substantial claim. The paper’s conclusions may not depend on it.
PremisecitationHyslop's research demonstrated that most Inca roads were not built.
“He also demonstrated that most Inca roads were not built.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Hyslop 1984
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
Probably not a substantial claim.
Premisenone givenLittle research has been conducted on pre- and post-Inca road networks and movement systems compared with Qhapaq ñan archaeology.
“In comparison with Qhapaq ñan archaeology, little research has been conducted on the pre-and post-Inca road networks and movement systems.”
Quote in the paperSubstantial claimProbably not a substantial claim. The paper may give no reason why it holds.
Premisenone givenVery few studies have systematically looked at the dynamic diachronic development of the Andean road system in the longue durée, from the pre-Hispanic up to the present times.
“Very few studies have systematically looked at the dynamic diachronic development of the Andean road system in the longue durée, from the pre-Hispanic up to the present times.”
Quote in the paperNot a substantial claimProbably not a substantial claim.
Premisenone givenMarcone's approach was developed through a map perspective that does not consider the dynamics and complexity of the temporality nor diversity of the movement systems involved in these regional histories.
“However, this innovative and interesting approach was developed through a map perspective that does not consider the dynamics and complexity of the temporality nor diversity of the movement systems involved in these regional histories.”
Quote in the paperSubstantial claimIt may state two separate claims as one.
PremisecitationThe Lauca Altiplano corresponded to the middle section of the Potosí-Arica/Tacna route, whose oldest description locates six tambos in it.
“The Lauca Altiplano also corresponded to the middle section of the Potosí-Arica/Tacna route, whose oldest description locates six tambos in it (Vasquez de Espinosa 1948[1629]).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Vasquez de Espinosa 1948[1629]
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
It may state two separate claims as one.
PremisecitationAlthough ethnohistoric sources do not mention Qhapaq ñan segments in the Lauca region, numerous examples of Inca architecture can be found in the region and indicate its strong integration into the empire.
“Although ethnohistoric sources do not mention Qhapaq ñan segments in the region, numerous examples of Inca architecture can be found in the region and indicate its strong integration into the empire (Gisbert 1994;Medinacelli 2012).”
Quote in the paperSubstantial claim0 of 2 sources checked- cites Gisbert 1994
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
- cites Medinacelli 2012
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
It may state two separate claims as one.
Study design and conductown dataOf the 31 corridors in the study network, 25 have been partially surveyed on foot, covering a total of 293 km of accumulated road segments.
“Of the 31 corridors in the study network, 25 have been partially surveyed on foot, covering a total of 293 km of accumulated road segments (Figure 6A).”
Quote in the paperNot a substantial claimProbably not a substantial claim. The paper’s conclusions may not depend on it. It may state two separate claims as one.
Premisenone givenWari and Tiwanaku ancient movement patterns are materialized in linear distributions of settlements and rock art depicting llama caravans.
“Indeed, Wari and Tiwanaku ancient movement patterns are materialized in linear distributions of settlements and rock art depicting llama caravans, which are believed to have been frequent between the cores and their peripheral colonies.”
Quote in the paperNot a substantial claimIt may state two separate claims as one.
PremisecitationThe first roads were built on the Pacific Coast as early as the A.D. 1920s, while many highland rural regions were only connected to formal national road networks in the last decades of the century, with development still ongoing.
“While the first roads were built on the Pacific Coast as early as the A.D. 1920s, many highland rural regions were only connected to formal national road networks in the last decades of the century, with development still ongoing (Bar Esquivel 2013).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Bar Esquivel 2013
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
Probably not a substantial claim. The paper’s conclusions may not depend on it.
PremisereasoningVining and Williams (2020) propose that Tiwanaku macroregional movement corridors coincided with the pasture land distribution between the Altiplano and Moquegua.
“For this reason, Vining and Williams (2020) propose that Tiwanaku macroregional movement corridors coincided with the pasture land distribution between the Altiplano and Moquegua.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Vining and Williams 2020 source
Probably not a substantial claim. The paper may give no reason why it holds.
Premisenone givenMost archaeological research on road networks in the Andes has focused on specific historical contexts, such as the Qhapaq ñan, with relatively little work on the long-term dynamics of these networks.
“In the Andes, most archaeological research on road networks has focused on specific historical contexts, like the famous Qhapaq ñan, with relatively little work done to understand the long-term dynamics of these networks.”
Quote in the paperNot a substantial claimProbably not a substantial claim. The paper’s conclusions may not depend on it.
Study design and conductnone givenOnly 40% of sites were examined in situ.
“often constrained to a basic diagnostic of architectural forms (with only 40% of sites examined in situ)”
Quote in the paperNot a substantial claimProbably not a substantial claim. The paper’s conclusions may not depend on it.
PremisecitationMarcone (2020) examined the degree to which the Qhapaq ñan layout may have influenced the structure and spatial pattern of current road networks in different Peruvian regions.
“For instance, Marcone (2020) examined the degree to which the Qhapaq ñan layout may have influenced the structure and spatial pattern of current road networks in different Peruvian regions.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Marcone 2020
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
Probably not a substantial claim. It may state two separate claims as one.
PremisereasoningThe Lauca Altiplano has been traversed by major historical routes such as the Qhapaq ñan and Potosí's, and it is still traversed by the transborder commercial route between La Paz and Arica.
“As such, it has been traversed by major historical routes such as the Qhapaq ñan and Potosí's, and it is still traversed by the transborder commercial route between La Paz, Bolivia's capital, and Arica, a current major port in Chile.”
Quote in the paperSubstantial claimIt may state two separate claims as one.
PremisecitationPaleoclimatic data, based on Mount Sajama's ice core and the Polylepis growth rings, indicates relatively stable conditions since late pre-Hispanic times, with a significantly wetter period in the 19th century A.D.
“Paleoclimatic data, based on Mount Sajama's ice core and the Polylepis growth rings, indicates relatively stable conditions since late pre-Hispanic times, with a significantly wetter period in the 19th century A.D. (Thompson 1995;Liu, Reese, and Thompson 2005;Morales et al. 2012).”
Quote in the paperNot a substantial claim0 of 3 sources checkedIt may state two separate claims as one.
PremisecitationMost territories are palimpsestic in nature, accumulating chronologically heterogeneous components, especially their road networks, which are generally composed of segments recently planned or formed, mixed with others inherited from the past territorial formations.
“Most territories are palimpsestic in nature, accumulating chronologically heterogeneous components (Bailey 2007), especially their road networks, which are generally composed of segments recently planned or formed, mixed with others inherited from the past territorial formations that had previously developed in the same region (Saintenoy 2024;Saintenoy et al. 2025).”
Quote in the paperSubstantial claim0 of 3 sources checkedProbably not a substantial claim. It may be too vague to check against evidence. The paper may give no reason why it holds.
Interpretationnone givenHistorical maps usually present a biased portrayal of ancient territories influenced by the geopolitical context of their production and the intentions of their authors.
“From a theoretical perspective, the research showed that historical maps usually present a biased portrayal of ancient territories influenced by the geopolitical context of their production and the intentions of their authors.”
Quote in the paperNot a substantial claimProbably not a substantial claim. The authors may not put it forward as true. The paper’s conclusions may not depend on it. It may state two separate claims as one.
Interpretationown dataChajpuyo may have been an Inca tambo, supported by its regional location at the foot of a high mountain pass within a movement corridor where pedestrian surveys have identified several off-site Inca artifacts along the roads.
“Could Chajpuyo have been an Inca tambo?This hypothesis is supported by the site's regional location at the foot of a high mountain pass within a movement corridor where pedestrian surveys have identified several off-site Inca artifacts along the roads.”
Quote in the paperNot a substantial claimIt may state two separate claims as one.
InterpretationreasoningThe archaeological data reflects a decentralized road system with multiple itineraries of movement and potentially ubiquitous roadside logistical settlements which could correspond to almost any estancia.
“Archaeological data reflects a decentralized road system with multiple itineraries of movement and potentially ubiquitous roadside logistical settlements which could correspond to almost any estancia, as arrieros (muleteers) chose rest stops based on their social network and geographical knowledge of the territories they traversed.”
Quote in the paperSubstantial claimIt may state two separate claims as one.
PremisecitationThe tambo is an Andean institution of pre-Hispanic origin that transcended the Spanish colonial conquest and played a role in the formation of Latin American republics.
“the tambo is an Andean institution of pre-Hispanic origin that not only transcended the Spanish colonial conquest but also played a role in the formation of Latin American republics (Corcoran Tadd 2017).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Corcoran Tadd 2017
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
Probably not a substantial claim. The paper’s conclusions may not depend on it.
PremisecitationTambo was a very broad category of imperial settlement whose fundamental commonality was its connection to the Qhapaq ñan.
“Indeed, tambo was a very broad category of imperial settlement whose fundamental commonality was its connection to the Qhapaq ñan (Espinoza Soriano 1973;Vaca de Castro 1989[1543]).”
Quote in the paperNot a substantial claim0 of 2 sources checked- cites Espinoza Soriano 1973
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
- cites Vaca de Castro 1989[1543]
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
It may state two separate claims as one.
InterpretationcitationAvailable data on the Chajpuyo Inca settlement suggests ceremonial rather than logistical activities, while Tamboqollo and Queñuatambo are small settlements more aligned with the concept of posta or chaskiwasi.
“Available data on the Chajpuyo Inca settlement suggests ceremonial rather than logistical activities, while Tamboqollo and Queñuatambo, which were clearly part of logistical infrastructure, are small settlements more aligned with the concept of posta or chaskiwasi, which designate small infrastructure such as an isolated building (Hyslop 1992).”
Quote in the paperSubstantial claim0 of 1 sources checked- cites Hyslop 1992
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
Probably not a substantial claim.
Study design and conductown dataA comparative study of five tambos dispersed across the study network was conducted, with 37 m2 excavated through 27 test pits distributed among diverse structure types within each settlement.
“A comparative study of five tambos dispersed across our study network was conducted.At each site, a functional and chronological analysis was carried out by examining the standing architecture, surface remains, and stratigraphy.To achieve this, a total of 37 m 2 was excavated through 27 test pits distributed among the diverse structure types within each settlement.”
Quote in the paperSubstantial claimIt may state two separate claims as one.
Interpretationown dataThe absence of pre-Hispanic materials at Taypitambo and Lacatambo suggests that these structures, which might resemble the Inca kancha model, likely do not have pre-Hispanic origins.
“The absence of pre-Hispanic materials suggests that these structures, which might resemble the Inca kancha model (a rectangular enclosure composed of single-room buildings that face onto an inner patio), likely do not have pre-Hispanic origins.”
Quote in the paperSubstantial claimIt may state two separate claims as one.
InterpretationreasoningBoth apachetas and refuges evidence the resilience of road architecture from pre-Hispanic times until the present, with significant deposits produced by transborder informal migration and commerce.
“Thus, both apachetas and refuges evidence the resilience of road architecture from pre-Hispanic times until the present, with significant deposits produced by transborder informal migration and commerce.”
Quote in the paperSubstantial claim
The paper relies on this without support.
The Lauca Altiplano's aridity and low demography have permitted excellent archaeological preservation of ancient movement traces and infrastructure.
“In this highland desert, the aridity (ca.400 mm of annual precipitation) and low demography have permitted excellent archaeological preservation of ancient movement traces and infrastructure.”
The paper relies on this without support.
The Lauca Altiplano formed a macroregional corridor between the Pacific and the Altiplano despite its low settlement density and certain territorial marginality since pre-Hispanic times.
“Historically, the Lauca Altiplano is interesting because, despite its low settlement density and certain territorial marginality since pre-Hispanic times, it formed a macroregional corridor between the Pacific and the Altiplano.”
The authors state this as an assumption.
The current road network embodies its own history.
“In order to research the history of the Lauca Altiplano road system, we have developed a method based on archéogéographie's theoretical postulates, which emphasize a regressive approach since, as an historical product, the current road network embodies its own history (Watteaux 2017).”
The paper relies on this without support.
Tambos can vary significantly in both architecture and function; their commonality lies in their association with road networks and mobility practices.
“Tambos can vary significantly in both architecture and function; their commonality lies in their association with road networks and mobility practices.”
The paper relies on this without support.
Since the Colonial period, botijas have been systematically used to transport liquid goods, making their presence a strong indicator of a site's relationship to transportation networks.
“Since the Colonial period, these amphoras have been systematically used to transport liquid goods, making their presence a strong indicator of a site's relationship to transportation networks.”
The paper relies on this without support.
The archaeological record would preserve evidence of imperial investment in road infrastructure if it existed.
“Thus, the archaeological record suggests that neither empire invested significantly in road infrastructure within our study network, despite the region's abundance of Inca sites and monuments and its central location along the Potosí Silver Route.”
The paper relies on this without support.
The local inhabitants' ethnographic memories are reliable.
“A clear connection between Chajpuyo and the regional transportation and movement system is rooted in its recent history, as recalled ethnographically by several local inhabitants.”
The paper relies on this without support.
The absence of diagnostic Colonial artifacts at a site indicates it did not serve as a formal way station during the Colonial period.
“The absence of clear early Colonial material culture is problematic, as it does not support the idea that Changamoqo served as a formal way station on the Potosí Silver Route, a hypothesis suggested by oral tradition and by both archival and archaeological evidence of its location along the itinerary between the Copataya mountain pass and Cosapa.”
The authors state this as an assumption.
The caminos de herradura depicted by Risopatrón could be inherited from Colonial and even pre-Hispanic road networks due to continuity in movement and transport technology.
“Considering that these caminos de herradura could hypothetically be inherited from Colonial and even pre-Hispanic road networks due to continuity in movement and transport technology, Risopatrón's maps provide an interesting starting point for a regressive history of the Lauca road network”
Self-check
Percentages, sums and reported differences re-computed from the paper’s own numbers.
Each contradiction between two passages listed here was confirmed by an independent check.
Not all early colonial tambos were identified
MinorThe text says surveys identified all tambos mentioned in early colonial chronicles, but the Figure 8 caption says one of Vasquez de Espinosa's tambos was not identified.
“Surveys also allowed us to identify all the tambos mentioned in Early Colonial chronicles (Vasquez de Espinosa 1948[1629]; Vaca de Castro 1989Castro [1543]]) (Figure 8).”
“All early colonial tambos mentioned by Vasquez de Espinosa, except for one, were identified archaeologically.”
Conflicting counts for the earliest route description
MinorThe paper says Vasquez de Espinosa's description locates six tambos in the Lauca Altiplano, but elsewhere says it details five stops within the Lauca Basin.
“The Lauca Altiplano also corresponded to the middle section of the Potosí-Arica/Tacna route, whose oldest description locates six tambos in it (Vasquez de Espinosa 1948[1629]).”
“Vasquez de Espinosa (1948Espinosa ( [1629]]) details five stops within the Lauca Basin along an itinerary connected, on the one hand, to the Arica valleys and, on the other, to the inherited Qhapaq ñan section of the Lake Poopó region (Vaca de Castro 1989[1543]).”
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Cited by
Sorted by citations
Echeñique, E., Davenport, J. A., Hayashida, F., Saintenoy, T., Santoro, C. M., Quijada, J., Arellano, P., MacDonald, B. L., & Eckert, S. L. (2026) · Archaeological and Anthropological Sciences · doi:10.1007/s12520-026-02527-0
Self-citation
Metadata
- Authors
- Saintenoy, T., Lima, P., Uribe, M., Carvajal, F., González, C., Crespo, M., Malvarez, M. F., Mendez-Quiros, P., Jofré, D., & González, F.
- Affiliations
- Consejo Superior de Investigaciones Científicas (ES)
- Sociedad de Investigación de Arte Rupestre en Bolivia
- Universidad de Chile
- University College London
- Instituto de Ciencias del Patrimonio, Consejo Superior de Investigaciones Científicas
- Independent researcher
- Corresponding author
- Saintenoy, Thibault
- ORCID
- Venue
- Journal of Field Archaeology
- Publisher
- Informa UK Limited
- Published
- 2025-07-27
- Volume
- 50
- Issue
- 8
- Pages
- 717-736
- ISSN
- 0093-4690 (ISSN-L)
- 2042-4582
- OpenAlex
- W4412906502
- Cited by
- 1
- References
- 42
- Citations by year
- 2026: 1
- FWCI
- 2.58
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Licence
- Locations
- Journal of Field Archaeology (publishedVersion, other-oa)
- DIGITAL.CSIC (Spanish National Research Council (CSIC)) (submittedVersion, cc-by-nc-nd)
- Universidad de Chile (submittedVersion, cc-by-nc-nd)
- HAL (submittedVersion)
- Funders
- European Commission (800617)
- Topics
- Social Sciences › Arts and Humanities › Archeology (arts and humanities) › Archaeology and Cultural Heritage
- Social Sciences › Archeology › Archaeological Research and Protection
- Social Sciences › Arts and Humanities › History › Latin American history and culture
- Keywords
- movement networks, long-time behavior, Inca Empire, Spanish Empire, ancient infrastructure, historical maps, field survey
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