Photograph showin alluvial deposits east of San Sebastian in the Cuzco Valley, taken on one of the Yale Peruvian Expeditions, 1911-1915. Photo 4038 from Herbert E. Gregory Book 13, page 2
Photograph of an outcrop of pink sandstone in the Cuzco Valley region, taken on one of the Yale Peru...
Photograph of sedimentary terrace deposits and rock strata near Huancaro in the Cuzco Valley, taken ...
Photograph of rock strata with faulting in the Cuzco Valley,, taken on one of the Yale Peruvian Expe...
Photograph showin alluvial deposits east of San Sebastian in the Cuzco Valley, taken on one of the Y...
Photograph showin alluvial deposits east of San Sebastian in the Cuzco Valley, taken on one of the Y...
Photograph of a view of the Cuzco Valley, taken on one of the Yale Peruvian Expeditions, 1911-1915. ...
Photograph of rock layers along the Huatanay River south of San Sebastian in the Cuzco Valley, taken...
Photograph of rock layers along the Huatanay River south of San Sebastian in the Cuzco Valley, taken...
Photograph of rock layers in a mountainside of the Cuzco Valley, taken on one of the Yale Peruvian E...
Photograph of the Angostura Narrows in Cuzco Valley, taken on one of the Yale Peruvian Expeditions, ...
Photograph of the rocky area known as El Rodadero de Sacsayhuaman, taken on one of the Yale Peruvian...
Photograph of the Cuzco Valley with an alluvial fan at San Jeronimo, taken on one of the Yale Peruvi...
Photograph of divided mountain spurs in the Cuzco area of Peru, taken on one of the Yale Peruvian Ex...
Photograph of a view of the Cuzco Valley, taken on one of the Yale Peruvian Expeditions, 1911-1915. ...
Photograph of a glaciated valley near the head of Junajaneha stream in Cuzco Valley, taken on one of...
Photograph of an outcrop of pink sandstone in the Cuzco Valley region, taken on one of the Yale Peru...
Photograph of sedimentary terrace deposits and rock strata near Huancaro in the Cuzco Valley, taken ...
Photograph of rock strata with faulting in the Cuzco Valley,, taken on one of the Yale Peruvian Expe...
Photograph showin alluvial deposits east of San Sebastian in the Cuzco Valley, taken on one of the Y...
Photograph showin alluvial deposits east of San Sebastian in the Cuzco Valley, taken on one of the Y...
Photograph of a view of the Cuzco Valley, taken on one of the Yale Peruvian Expeditions, 1911-1915. ...
Photograph of rock layers along the Huatanay River south of San Sebastian in the Cuzco Valley, taken...
Photograph of rock layers along the Huatanay River south of San Sebastian in the Cuzco Valley, taken...
Photograph of rock layers in a mountainside of the Cuzco Valley, taken on one of the Yale Peruvian E...
Photograph of the Angostura Narrows in Cuzco Valley, taken on one of the Yale Peruvian Expeditions, ...
Photograph of the rocky area known as El Rodadero de Sacsayhuaman, taken on one of the Yale Peruvian...
Photograph of the Cuzco Valley with an alluvial fan at San Jeronimo, taken on one of the Yale Peruvi...
Photograph of divided mountain spurs in the Cuzco area of Peru, taken on one of the Yale Peruvian Ex...
Photograph of a view of the Cuzco Valley, taken on one of the Yale Peruvian Expeditions, 1911-1915. ...
Photograph of a glaciated valley near the head of Junajaneha stream in Cuzco Valley, taken on one of...
Photograph of an outcrop of pink sandstone in the Cuzco Valley region, taken on one of the Yale Peru...
Photograph of sedimentary terrace deposits and rock strata near Huancaro in the Cuzco Valley, taken ...
Photograph of rock strata with faulting in the Cuzco Valley,, taken on one of the Yale Peruvian Expe...