Single large saguaro |
United States, Arizona, Saguaro Forest |
1931-02-22 |
Stages in development of ocotillo |
Mexico, Sonora |
1931-12-09 |
Stages in development of ocotillo |
Mexico, Sonora |
1931-12-09 |
Stem of Cereus giganteus |
United States, Arizona, Saguaro Forest |
1931-02-22 |
Top of saguaro |
United States, Arizona, Saguaro Forest |
1931-02-22 |
Tree, Covillea, Ocotillo, Ironwood |
Mexico, Sonora |
1931-12-09 |
Tree, Covillea, Ocotillo, Ironwood, Ocean in back |
Mexico, Sonora |
1931-12-09 |
Vegetation at Keno Bay |
Mexico, Sonora |
1931-12-09 |
Vegetation at Keno Bay |
Mexico, Sonora |
1931-12-09 |
Vegetation named of grasses, Hill |
Mexico, Sonora |
1931-12-06 |
Vegetation, wind effect |
Mexico, Sonora |
1931-12-09 |
Vegetation, wind effect |
Mexico, Sonora |
1931-12-09 |