Agave Parryi, cliff rose, etc. |
United States, Arizona |
1929-07-14 |
Agave Parryi, detail |
United States, Arizona |
1929-07-14 |
Agave Parryi, rodent injury |
United States, Arizona |
1929-07-14 |
Agave utahensis |
United States, Arizona, Grand Canyon |
1929-07-05 |
Agave utahensis |
United States, Arizona, Grand Canyon |
1929-07-08 |
Agave utahensis |
United States, Arizona, Grand Canyon |
1929-07-08 |
Agave utahensis, Pinus edulis |
United States, Arizona, Grand Canyon |
1929-07-05 |
Agave, Pinus |
United States, Arizona, Grand Canyon |
1929-07-05 |
Antennaria |
United States, Arizona, Kaibab, V.T. Ranch |
1929-06-28 |
Aspen |
United States, Arizona, Hannigans Meadow:White Mountains |
1929-10-18 |
Bark of Abies arizonica |
United States, Arizona, San Francisco Peak |
1929-08-10 |
Camp |
United States, Arizona, Musgrave Ranch |
1929-10-21 |
Camp |
United States, Arizona, Musgrave Ranch |
1929-10-21 |
Camp, Quercus turbinella, Pinus |
United States, Arizona |
1929-07-19 |
Chaparral |
United States, Arizona |
1929-07-22 |
Chaparral |
United States, Arizona |
1929-07-22 |
Class |
United States, Arizona, Aspen Springs |
1929-08-10 |
Class |
United States, Arizona, Aspen Springs |
1929-08-10 |
Cotton field |
United States, Arizona |
1929-10-22 |
Cotton picking |
United States, Arizona |
1929-10-22 |
Cotton picking |
United States, Arizona |
1929-10-22 |
Cotton picking |
United States, Arizona |
1929-10-22 |
Cotton picking |
United States, Arizona |
1929-10-22 |
Dead cork bark fir |
United States, Arizona, San Francisco Peak |
1929-08-10 |
Dead fir |
United States, Arizona, San Francisco Peak |
1929-08-10 |
Delphinium |
United States, Arizona, Ford Valley |
1929-08-08 |
Delphinium |
United States, Arizona, Ford Valley |
1929-08-08 |
Desert with vegetation labeled |
United States, Arizona |
1929-07-14 |
Desert, Muhlenbergia, Bouteloua |
United States, Arizona |
1929-07-15 |
Detail of Antennaria |
United States, Arizona, Kaibab, V.T. Ranch |
1929-06-28 |
Detail of Rosette of Agave |
United States, Arizona, Grand Canyon |
1929-07-05 |
East of Ash Fork, vegetation |
United States, Arizona |
1929-07-14 |
Echinocereus |
United States, Arizona |
1929-07-22 |
Echinocereus |
United States, Arizona |
1929-07-22 |
Echinocereus |
United States, Arizona |
1929-07-22 |
Echinocereus |
United States, Arizona |
1929-07-22 |
Echinocereus |
United States, Arizona |
1929-07-22 |
Ecology class |
United States, Arizona, Aspen Springs |
1929-08-15 |
Ecology class 1929 |
United States, Arizona, Aspen Springs |
1929-08-15 |
Edge |
United States, Arizona, Grand Canyon |
1929-11-05 |
Edge |
United States, Arizona, Grand Canyon |
1929-11-05 |
Edge |
United States, Arizona, Grand Canyon |
1929-11-05 |
Egyptian cotton |
United States, Arizona |
1929-10-22 |
En route |
United States, Arizona |
1929-07-16 |
Engelmann spruce, dead |
United States, Arizona, San Francisco Peak |
1929-08-10 |
Erosion |
United States, Arizona |
1929-11-05 |
Erosion of shad land |
United States, Arizona |
1929-11-05 |
Fairy rings of Muhlenbergia, Bouteloua, Gutierrezia |
United States, Arizona |
1929-07-14 |
Festuca arizonica, etc. camp |
United States, Arizona, Aspen Springs |
1929-08-10 |
Forest south of Canyon |
United States, Arizona, Grand Canyon |
1929-11-05 |