Box Culvert Built of Stone Laid Dry; Road at a Summit East of Challa. Original caption: 42-4370: Box culvert built of stone laid dry (without mortar). Top of culvert is also of stone slabs, generally hard sandstone, quartzite of hard shale. Culverts up to 50 cm X 50 cm. of this type have proven satisfactory, but probably should be built with mortar. Located 16 km. west of Challe, on Oruro-Cochabamba Road. January 27, 1942 - Hart. Original caption: 42-4371: Road at a summit east of Challa - the rock mound is on the old mule trail - each muleteer added a stone in accordance with custom. January
Box Culvert Built of Stone Laid Dry; Road at a Summit East of Challa. Original caption: 42-4370: Box culvert built of stone laid dry (without mortar). Top of culvert is also of stone slabs, generally hard sandstone, quartzite of hard shale. Culverts up to 50 cm X 50 cm. of this type have proven satisfactory, but probably should be built with mortar. Located 16 km. west of Challe, on Oruro-Cochabamba Road. January 27, 1942 - Hart. Original caption: 42-4371: Road at a summit east of Challa - the rock mound is on the old mule trail - each muleteer added a stone in accordance with custom. January 28, 1942- Hart. State: Bolivia.
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Photo credit: © NB/PR / Alamy / Afripics
License: Licensed
Model Released: No
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