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Title/Descriptionsort descending Location Date
Opuntia spinosior United States, Arizona 1932-08-27
Opuntia spinosior United States, Arizona 1932-08-27
Opuntia versicolor United States, Arizona 1932-08-23
Opuntia versicolor United States, Arizona 1932-08-23
Opuntia versicolor United States, Arizona 1932-08-26
Opuntia versicolor United States, Arizona 1932-08-27
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
Overturned rock Mexico, Sonora 1932-05-06
Overturned rock 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
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
Pack rat nest Mexico, Sonora 1932-03-04
Palo Verde, view of Mt. United States, Arizona, Picacho Peak 1932-03-23
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
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
People Mexico, Sonora, Poso Serma Rancho 1932-05-05
Plank road United States, Arizona 1932-07-30
Plaza Mexico, Sonora 1932-03-07
Populus tremuloides United States, Utah, Cedar Breaks 1932-08-15
Populus tremuloides United States, Utah, Cedar Breaks 1932-08-15
Populus tremuloides forest United States, Utah, Cedar Breaks 1932-08-15
Populus tremuloides forest United States, Utah, Cedar Breaks 1932-08-15
Presidents Residence United States, Arizona, University of Arizona 1932-07-07
Rancheros Mexico, Sonora, Poso Serma Rancho 1932-05-05
Road and veg. United States, Arizona, Hannigan's Meadow:Coronado Trail 1932-06-05
Rocks and sea Mexico, Sonora 1932-05-06
Root system of Cereus thurberi Mexico, Sonora 1932-03-06
Roots of mesquite, Franseria, desert veg. Mexico, Sonora 1932-03-07
Saguaro Mexico, Sonora 1932-03-03
Saguaro, desert veg. Mexico, Sonora 1932-03-04
Sahuaso, etc. Mexico, Sonora 1932-03-05
Sahuaso, old and young Mexico, Sonora 1932-03-04
Sand hills United States, Arizona 1932-07-30
Sand hills United States, Arizona 1932-07-30
Sand hills United States, Arizona 1932-07-30
Sand hills United States, Arizona 1932-07-30
Savanna and mesquite Mexico, Sonora 1932-03-06

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