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Title/Descriptionsort ascending Location Date
Saguaro Mexico, Sonora 1932-03-03
Roots of mesquite, Franseria, desert veg. Mexico, Sonora 1932-03-07
Root system of Cereus thurberi Mexico, Sonora 1932-03-06
Rocks and sea Mexico, Sonora 1932-05-06
Road and veg. United States, Arizona, Hannigan's Meadow:Coronado Trail 1932-06-05
Rancheros Mexico, Sonora, Poso Serma Rancho 1932-05-05
Presidents Residence United States, Arizona, University of Arizona 1932-07-07
Populus tremuloides forest United States, Utah, Cedar Breaks 1932-08-15
Populus tremuloides forest United States, Utah, Cedar Breaks 1932-08-15
Populus tremuloides United States, Utah, Cedar Breaks 1932-08-15
Populus tremuloides United States, Utah, Cedar Breaks 1932-08-15
Plaza Mexico, Sonora 1932-03-07
Plank road United States, Arizona 1932-07-30
People Mexico, Sonora, Poso Serma Rancho 1932-05-05
Panorama of Roosevelt Dam United States, Arizona, Roosevelt Dam 1932-06-04
Panorama of Roosevelt Dam United States, Arizona, Roosevelt Dam 1932-06-04
Panorama of Roosevelt Dam United States, Arizona, Roosevelt Dam 1932-06-04
Panorama of desert veg. Mexico, Sonora 1932-05-08
Panorama of desert veg. Mexico, Sonora 1932-05-08
Panorama of desert veg. Mexico, Sonora 1932-05-08
Palo Verde, view of Mt. United States, Arizona, Picacho Peak 1932-03-23
Pack rat nest Mexico, Sonora 1932-03-04
Pachycereus pringlei Mexico, Sonora 1932-05-06
Pachycereus pringlei Mexico, Sonora 1932-05-06
Pachycereus pringlei Mexico, Sonora 1932-05-06
Pachycereus pringlei Mexico, Sonora 1932-05-06
Owl Mexico, Sonora 1932-05-04
Owl Mexico, Sonora 1932-05-04
Owl Mexico, Sonora 1932-05-04
Owl Mexico, Sonora 1932-05-04
Overturned rock Mexico, Sonora 1932-05-06
Overturned rock Mexico, Sonora 1932-05-06
Opuntia vivipara United States, Arizona 1932-08-23
Opuntia vivipara United States, Arizona 1932-08-23
Opuntia vivipara United States, Arizona 1932-08-23
Opuntia vivipara United States, Arizona 1932-08-23
Opuntia versicolor United States, Arizona 1932-08-27
Opuntia versicolor United States, Arizona 1932-08-26
Opuntia versicolor United States, Arizona 1932-08-23
Opuntia versicolor United States, Arizona 1932-08-23
Opuntia spinosior United States, Arizona 1932-08-27
Opuntia spinosior United States, Arizona 1932-08-27
Opuntia spinosior United States, Arizona 1932-08-27
Opuntia spinosior United States, Arizona 1932-08-23
Opuntia spinosior United States, Arizona 1932-08-23
Opuntia Santa Rita, flower Mexico, Sonora 1932-05-05
Opuntia Santa Rita United States, Arizona 1932-08-24
Opuntia Santa Rita Mexico, Sonora 1932-05-05
Opuntia Santa Rita Mexico, Sonora 1932-05-05
Opuntia Santa Rita Mexico, Sonora 1932-05-05

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