Birds in air |
Mexico, Sonora |
1931-12-09 |
Birds in air |
Mexico, Sonora |
1931-12-09 |
Birds in air |
Mexico, Sonora |
1931-12-09 |
Birds in air |
Mexico, Sonora |
1931-12-09 |
Bunch grass, vegetation named |
Mexico, Sonora |
1931-12-06 |
Cactus garden |
United States, Arizona |
1931-04-01 |
Cats Claw, Encelia, Saguaro, etc. |
United States, Arizona, Saguaro Forest |
1931-02-22 |
Ceiba tree, vegetation named |
Mexico, Sonora |
1931-12-11 |
Celtis, Encelia, Bouteloua, etc. |
Mexico, Sonora |
1931-12-06 |
Celtis, Encelia, Bouteloua, etc. |
Mexico, Sonora |
1931-12-06 |
Cereus giganteus, faciated top |
United States, Arizona, Saguaro Forest |
1931-02-22 |
Cereus giganteus, faciated top |
United States, Arizona, Saguaro Forest |
1931-02-22 |
Cereus giganteus, old dead tree |
United States, Arizona, Saguaro Forest |
1931-02-22 |
Copal tree, Ironwood, Encelia |
Mexico, Sonora |
1931-12-06 |
Detail of Hilaria, Acacia, Prosopis |
Mexico, Sonora |
1931-12-06 |
Detail of Pachycereus |
Mexico, Sonora |
1931-12-07 |
Detail of Pachycereus |
Mexico, Sonora |
1931-12-07 |
Echinocereus detail |
Mexico, Sonora |
1931-12-06 |
Encelia, Jatropha, Covillea, etc. |
Mexico, Sonora |
1931-12-11 |
Encelia, mesquite, etc. |
Mexico, Sonora |
1931-12-10 |
Frankenia, Ocotillo, Gutierrezia, etc. |
Mexico, Sonora |
1931-12-09 |
Gaertneria, Pachycereus, etc. |
Mexico, Sonora |
1931-12-10 |
General view of Forest |
United States, Arizona, Saguaro Forest |
1931-02-22 |
General view of forest |
United States, Arizona, Saguaro Forest |
1931-02-22 |
Good shot of forest |
United States, Arizona, Saguaro Forest |
1931-02-22 |
Grandstand |
Mexico, Sonora |
1931-12-11 |
Grasses, vegetation |
Mexico, Sonora |
1931-12-05 |
Grasses, vegetation |
Mexico, Sonora |
1931-12-05 |
Grassland and Quercus Emoryi |
Mexico, Sonora |
1931-12-05 |
Grassland and Quercus Emoryi |
Mexico, Sonora |
1931-12-05 |
Grassland and Quercus Emoryi |
Mexico, Sonora |
1931-12-05 |
Hermosillo |
Mexico, Sonora |
1931-12-11 |
Hermosillo |
Mexico, Sonora |
1931-12-11 |
Hilaria, Bouteloua, Ironwood, etc. |
Mexico, Sonora |
1931-12-07 |
Hilaria, Prosopis, Acacia |
Mexico, Sonora |
1931-12-06 |
Hilaria, Prosopis, Acacia |
Mexico, Sonora |
1931-12-06 |
Island at Keno Bay, Fishery |
Mexico, Sonora |
1931-12-09 |
Jatropha, Schinus like, etc. |
Mexico, Sonora |
1931-12-09 |
Lamairocereus thurberi |
Mexico, Sonora |
1931-12-10 |
Lamairocereus thurberi |
Mexico, Sonora |
1931-12-10 |
Lemairocereus thurberi |
Mexico, Sonora |
1931-12-07 |
Lemairocereus thurberi |
Mexico, Sonora |
1931-12-06 |
Lemairocereus Thurberi, etc. |
Mexico, Sonora |
1931-12-06 |
Lemairocereus Thurberi, etc. |
Mexico, Sonora |
1931-12-06 |
Lophocereus schottii |
Mexico, Sonora |
1931-12-07 |
Lophocereus schottii |
Mexico, Sonora |
1931-12-07 |
Lophocereus schottii |
Mexico, Sonora |
1931-12-11 |
Lunch, People |
Mexico, Sonora |
1931-12-07 |
Megalocereus |
Mexico, Sonora |
1931-12-10 |
Megalocereus |
Mexico, Sonora |
1931-12-10 |