Add to ORKGZinc and silver mine at 17,000 ft. in S. America served largely by plane - PeruColorVolume 101, Page
A pass through the high Andes of S. [South] America elevation over 17,000 ft. BoliviaColorVolume 97,...
Machine digging into side of mountain.GrayscaleSorensen Safety Negatives, Binder: South America
Aerial view of road twisting through and around mountains, en route to Lima.GrayscaleSorensen Safety...
Peru - Aerial tramway and road for mine at 17,000 ft. elev.ColorVolume 101, Page
Bolivia: Tin mine in high Andes altitude here is over 16,000 ft. above sea levelColorVolume 97, Page...
Peru - Cerro de Pasco mine at Chaucha in Andes at almost 16,000 ft.ColorVolume 101, Page
Peru: Constructing new roadway to tin mine in the high AndesColorVolume 101, Page
Peru: Hway [highway] and RR [railroad] crossing high Andes at about 16,000 ft. elevationColorVolume ...
Beginning of aerial tramway. Bucket going back after emptying ore in cars.ColorVolume 101, Page
Peru: Aerial Tramway. Officers at Yauricocha Mine (elev. 15,230 feet). On the backbone of the Andes ...
Peru - Road & RR [railroad] crossing Andes at over 16,000 ft. elev.ColorVolume 101, Page
Color slide photograph showing a view of mountains from an airplane on a trip from Lima, Peru to La ...
Color slide photograph showing a view of mountains from an airplane on a trip from Lima, Peru to La ...
Color slide photograph showing a view of mountains from an airplane on a trip from Lima, Peru to La ...
Peru: Machu Picchu 50 miles N.W. of Cuzco discovered in 1911ColorVolume 101, Page
A pass through the high Andes of S. [South] America elevation over 17,000 ft. BoliviaColorVolume 97,...
Machine digging into side of mountain.GrayscaleSorensen Safety Negatives, Binder: South America
Aerial view of road twisting through and around mountains, en route to Lima.GrayscaleSorensen Safety...
Peru - Aerial tramway and road for mine at 17,000 ft. elev.ColorVolume 101, Page
Bolivia: Tin mine in high Andes altitude here is over 16,000 ft. above sea levelColorVolume 97, Page...
Peru - Cerro de Pasco mine at Chaucha in Andes at almost 16,000 ft.ColorVolume 101, Page
Peru: Constructing new roadway to tin mine in the high AndesColorVolume 101, Page
Peru: Hway [highway] and RR [railroad] crossing high Andes at about 16,000 ft. elevationColorVolume ...
Beginning of aerial tramway. Bucket going back after emptying ore in cars.ColorVolume 101, Page
Peru: Aerial Tramway. Officers at Yauricocha Mine (elev. 15,230 feet). On the backbone of the Andes ...
Peru - Road & RR [railroad] crossing Andes at over 16,000 ft. elev.ColorVolume 101, Page
Color slide photograph showing a view of mountains from an airplane on a trip from Lima, Peru to La ...
Color slide photograph showing a view of mountains from an airplane on a trip from Lima, Peru to La ...
Color slide photograph showing a view of mountains from an airplane on a trip from Lima, Peru to La ...
Peru: Machu Picchu 50 miles N.W. of Cuzco discovered in 1911ColorVolume 101, Page
A pass through the high Andes of S. [South] America elevation over 17,000 ft. BoliviaColorVolume 97,...
Machine digging into side of mountain.GrayscaleSorensen Safety Negatives, Binder: South America
Aerial view of road twisting through and around mountains, en route to Lima.GrayscaleSorensen Safety...