Towns in the Andes Mountains, Peru, 1935 

Crucero Alto, Peru, 1935 

Spatiotemporal patterns of salt and nutrient contamination in Los Angeles County's groundwater basins 

Iguanas, [1931-1941] (with crab, etc.) - shotlog 

View of mountain peaks in the La Raya range, Peru, 1935 

"Countryside approaching Cuzco Valley" from the La Raya mountain range, Peru, 1935 

View of mountain peaks in the La Raya range, Peru, 1935 

Monkey plays around film cases with Johnson & Hill, Mexico, [1936] - shotlog 

Large cactus (Opuntei Prolifera) growing in a field of scrub grass, ca.1920 

Eroded rock formation behind a Torry Pine, ca.1910 

Water security, national security and MCIWest: a grounded theory for operationalizing risk management 

Towns in the Andes Mountains, Peru, 1935 

Crucero Alto, Peru, 1935 

Llama, woman, and dog, Santa Lucia de Salinas, Peru, 1935 

Llama standing beside a house, Santa Lucia de Salinas, Peru, 1935 

Port Mollendo, the harbor of the city of Mollendo, Peru, 1935 

Port Mollendo with the SS. Santa Rita, Mollendo, Peru, 1935 

"Mollendo from deck of Santa Rita," Mollendo, Peru, 1935 

From deep lakes to deserts: Plio-Pleistocene paleoenvironmental transitions 

Pampa de Cañaguas, Peru, 1935 

Crucero Alto, Peru, 1935 

Tropical foliage garden, ca.1920 

Arequipa Region, Peru, 1935 

La Raya mountain range, Peru, 1935 

View of mountain peaks in the La Raya range, Peru, 1935