Sand drifts. Ravine north of Pacasmayo.Yale South American ExpeditionGrayscaleBowman nitrate negative, box
Valley looking east. First interior basin.Yale South American ExpeditionGrayscaleBowman nitrate nega...
[Stream with steep bank of rock, horizontal layers.]Yale South American ExpeditionGrayscaleBowman ni...
Corrals on terrace southwest corner Huasco.Yale South American ExpeditionGrayscaleBowman nitrate neg...
Dry valley north of Pacasmayo edge of upper terrace in background. Vegetation in bottom sand drift l...
Two copiesLower valley, Pacasmayo city in distance looking west.Yale South American ExpeditionGraysc...
Pacific Railroad in city Pacasmayo. Looking from bridge to west.Yale South American ExpeditionGraysc...
[Rock face.]Yale South American ExpeditionGrayscaleBowman nitrate negative, box
Mud walls and Pisco Valley north from ruins of old Indian village. North side of valley, right backg...
Barley fields on the flat upper slopes of the Urubamba Valley of Peru.Yale South American Expedition...
Stone wall around back of Salaverry.Yale South American ExpeditionGrayscaleBowman nitrate negative, ...
Shore terraces, Payta [Paita].Yale South American ExpeditionGrayscaleBowman nitrate negative, box
[Glacially eroded rock surface.]Yale South American ExpeditionGrayscaleBowman nitrate negative, box
Terrace at unconform. East of Pica.Yale South American ExpeditionGrayscaleBowman nitrate negative, b...
Salt works, Salaverry.Yale South American ExpeditionGrayscaleBowman nitrate negative, box
Portion of the fortress Sacsahuman, Cuzco.Yale South American ExpeditionGrayscaleBowman nitrate nega...
Valley looking east. First interior basin.Yale South American ExpeditionGrayscaleBowman nitrate nega...
[Stream with steep bank of rock, horizontal layers.]Yale South American ExpeditionGrayscaleBowman ni...
Corrals on terrace southwest corner Huasco.Yale South American ExpeditionGrayscaleBowman nitrate neg...
Dry valley north of Pacasmayo edge of upper terrace in background. Vegetation in bottom sand drift l...
Two copiesLower valley, Pacasmayo city in distance looking west.Yale South American ExpeditionGraysc...
Pacific Railroad in city Pacasmayo. Looking from bridge to west.Yale South American ExpeditionGraysc...
[Rock face.]Yale South American ExpeditionGrayscaleBowman nitrate negative, box
Mud walls and Pisco Valley north from ruins of old Indian village. North side of valley, right backg...
Barley fields on the flat upper slopes of the Urubamba Valley of Peru.Yale South American Expedition...
Stone wall around back of Salaverry.Yale South American ExpeditionGrayscaleBowman nitrate negative, ...
Shore terraces, Payta [Paita].Yale South American ExpeditionGrayscaleBowman nitrate negative, box
[Glacially eroded rock surface.]Yale South American ExpeditionGrayscaleBowman nitrate negative, box
Terrace at unconform. East of Pica.Yale South American ExpeditionGrayscaleBowman nitrate negative, b...
Salt works, Salaverry.Yale South American ExpeditionGrayscaleBowman nitrate negative, box
Portion of the fortress Sacsahuman, Cuzco.Yale South American ExpeditionGrayscaleBowman nitrate nega...
Valley looking east. First interior basin.Yale South American ExpeditionGrayscaleBowman nitrate nega...
[Stream with steep bank of rock, horizontal layers.]Yale South American ExpeditionGrayscaleBowman ni...
Corrals on terrace southwest corner Huasco.Yale South American ExpeditionGrayscaleBowman nitrate neg...