Detail flower, Lophocereus schottii |
Mexico, Sonora |
1932-05-04 |
Detail flower, Lophocereus schottii |
Mexico, Sonora |
1932-05-04 |
Great horned owl |
Mexico, Sonora |
1932-05-04 |
Owl |
Mexico, Sonora |
1932-05-04 |
General view of Mt. |
United States, Arizona, Picacho Peak |
1932-03-23 |
Detail Opuntia fulgida |
United States, Arizona, Picacho Peak |
1932-03-23 |
Detail of ephemeral growth |
United States, Arizona, Picacho Peak |
1932-03-23 |
Detail, desert growth |
United States, Arizona, Picacho Peak |
1932-03-23 |
Covillea, Saguaro, mesquite, etc. |
United States, Arizona, Picacho Peak |
1932-03-23 |
Detail, desert primrose, etc. |
United States, Arizona, Picacho Peak |
1932-03-23 |
Erotia, Primrose, Franseria, etc. |
United States, Arizona, Picacho Peak |
1932-03-23 |
Detail, desert veg. |
United States, Arizona, Picacho Peak |
1932-03-23 |
Opuntia fulgida |
United States, Arizona, Picacho Peak |
1932-03-23 |
Palo Verde, view of Mt. |
United States, Arizona, Picacho Peak |
1932-03-23 |
General view of Mt. |
United States, Arizona, Picacho Peak |
1932-03-23 |
General view of Mt. |
United States, Arizona, Picacho Peak |
1932-03-23 |
Desert vegetation |
Mexico, Sonora, Rock Crossing |
1932-03-07 |
Gaertneria, desert veg. |
Mexico, Sonora, Rock Crossing |
1932-03-07 |
Young mesquite, tall Aristida |
Mexico, Sonora |
1932-03-07 |
Desert vegetation named |
Mexico, Sonora |
1932-03-07 |
Desert vegetation named |
Mexico, Sonora |
1932-03-07 |
Bouteloua, Gaertneria, Encelia |
Mexico, Sonora |
1932-03-07 |
Mission Guadalupe |
Mexico, Sonora |
1932-03-07 |
Plaza |
Mexico, Sonora |
1932-03-07 |
Date Palms, 200 yrs. Old |
Mexico, Sonora |
1932-03-07 |
Roots of mesquite, Franseria, desert veg. |
Mexico, Sonora |
1932-03-07 |
Desert veg. named |
Mexico, Sonora |
1932-03-07 |
Desert vegetation |
Mexico, Sonora, Rock Crossing |
1932-03-07 |
Bouteloua rothrockii, Gutierrezia |
Mexico, Sonora |
1932-03-07 |
Olive row |
Mexico, Sonora |
1932-03-07 |
Clump of yucca |
Mexico, Sonora |
1932-03-06 |
Yucca |
Mexico, Sonora |
1932-03-06 |
Savanna and mesquite |
Mexico, Sonora |
1932-03-06 |
Mission Conception, river side |
Mexico, Sonora |
1932-03-06 |
Mission Conception |
Mexico, Sonora |
1932-03-06 |
Mission |
Mexico, Sonora |
1932-03-06 |
Mission interior |
Mexico, Sonora |
1932-03-06 |
Bare area, showing grasses |
Mexico, Sonora |
1932-03-06 |
Desert vegetation |
Mexico, Sonora |
1932-03-06 |
Desert vegetation |
Mexico, Sonora |
1932-03-06 |
Yucca |
Mexico, Sonora |
1932-03-06 |
Calliandra |
Mexico, Sonora |
1932-03-06 |
Root system of Cereus thurberi |
Mexico, Sonora |
1932-03-06 |
Mission interior |
Mexico, Sonora |
1932-03-06 |
General of desert vegetation |
Mexico, Sonora |
1932-03-06 |
General of desert vegetation |
Mexico, Sonora |
1932-03-06 |
Bouteloua, Hilaria, etc. |
Mexico, Sonora |
1932-03-06 |
Bouteloua, small Covillea, etc. |
Mexico, Sonora |
1932-03-06 |
Frankenia association |
Mexico, Sonora |
1932-03-05 |
Vegetation of desert |
Mexico, Sonora |
1932-03-05 |