Vegetation, wind effect |
Mexico, Sonora |
1931-12-09 |
Vegetation, wind effect |
Mexico, Sonora |
1931-12-09 |
Vegetation named of grasses, Hill |
Mexico, Sonora |
1931-12-06 |
Vegetation at Keno Bay |
Mexico, Sonora |
1931-12-09 |
Vegetation at Keno Bay |
Mexico, Sonora |
1931-12-09 |
Tree, Covillea, Ocotillo, Ironwood, Ocean in back |
Mexico, Sonora |
1931-12-09 |
Tree, Covillea, Ocotillo, Ironwood |
Mexico, Sonora |
1931-12-09 |
Top of saguaro |
United States, Arizona, Saguaro Forest |
1931-02-22 |
Stem of Cereus giganteus |
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 |
Single large saguaro |
United States, Arizona, Saguaro Forest |
1931-02-22 |
Shore of Pelican Is. |
Mexico, Sonora |
1931-12-09 |
Seri Indians |
Mexico, Sonora |
1931-12-08 |
Seri Indians |
Mexico, Sonora |
1931-12-08 |
Seri Indians |
Mexico, Sonora |
1931-12-08 |
Seri Indians |
Mexico, Sonora |
1931-12-08 |
Seri Indians |
Mexico, Sonora |
1931-12-08 |
Seri Indians |
Mexico, Sonora |
1931-12-08 |
Seri Indians |
Mexico, Sonora |
1931-12-08 |
Seri Indians |
Mexico, Sonora |
1931-12-08 |
Seri Indians |
Mexico, Sonora |
1931-12-08 |
Seri Indians |
Mexico, Sonora |
1931-12-08 |
Saguaro, Palo Verde, Mr. Bridges |
United States, Arizona, Saguaro Forest |
1931-02-22 |
Saguaro, Palo Verde, Encelia |
United States, Arizona, Saguaro Forest |
1931-02-22 |
Saguaro, Mr. Bridge, Cats Claw |
United States, Arizona, Saguaro Forest |
1931-02-22 |
Saguaro, Cats Claw, Palo Verde |
United States, Arizona, Saguaro Forest |
1931-02-22 |
Saguaro, Cats Claw, Palo Verde |
United States, Arizona, Saguaro Forest |
1931-02-22 |
Saguaro, Cats Claw, Palo Verde |
United States, Arizona, Saguaro Forest |
1931-02-22 |
Saguaro roots, wet soil |
United States, Arizona, Saguaro Forest |
1931-02-22 |
Saguaro blown over |
United States, Arizona, Saguaro Forest |
1931-02-22 |
Saguaro blown over |
United States, Arizona, Saguaro Forest |
1931-02-22 |
Saguaro blown down, wet soil |
United States, Arizona, Saguaro Forest |
1931-02-22 |
Roots of Lamairocereus thurberi |
Mexico, Sonora |
1931-12-10 |
Prairie vegetation, Mts. in back |
Mexico, Sonora |
1931-12-06 |
Prairie vegetation, Mts. in back |
Mexico, Sonora |
1931-12-06 |
Pelican Island |
Mexico, Sonora |
1931-12-09 |
Pelican Island |
Mexico, Sonora |
1931-12-09 |
Pelican Island |
Mexico, Sonora |
1931-12-09 |
Pelican Island |
Mexico, Sonora |
1931-12-09 |
Pelican Island |
Mexico, Sonora |
1931-12-09 |
Pelican Island |
Mexico, Sonora |
1931-12-09 |
Pelican Island |
Mexico, Sonora |
1931-12-09 |
Pelican Island |
Mexico, Sonora |
1931-12-09 |
Pelican Island |
Mexico, Sonora |
1931-12-09 |
Pachycereus pringlei |
Mexico, Sonora |
1931-12-10 |
Pachycereus pringlei |
Mexico, Sonora |
1931-12-09 |
Pachycereus pringlei |
Mexico, Sonora |
1931-12-09 |
Pachycereus pringlei |
Mexico, Sonora |
1931-12-09 |
Pachycereus pringlei |
Mexico, Sonora |
1931-12-07 |