Detail of Lepargyrea rotundifolia |
United States, Arizona |
1933-06-09 |
Detail of Opuntia Santa Rita close up |
Mexico, Sonora |
1933-12-04 |
Detail of rock surface |
Mexico, Sonora |
1933-12-04 |
Detail of veg. |
United States, Arizona, Fish Creek Hill |
1933-09-09 |
Detail of veg. |
United States, Arizona, Fish Creek Hill |
1933-09-09 |
Detail of veg. |
United States, Arizona, Apache Trail |
1933-09-09 |
Detail of veg. |
United States, Arizona, Fish Creek Hill |
1933-09-09 |
Detail of veg. |
United States, Arizona, Fish Creek Hill |
1933-09-09 |
Detail of veg. - Bouteloua gracilis, most |
United States, Arizona, Fort Huachuca |
1933-09-28 |
Detail of yellow flower |
United States, Arizona, Navaho Mt. |
1933-06-12 |
Douglas fir, general view |
United States, Arizona, V.T. Ranch |
1933-06-09 |
Douglas fir, general view |
United States, Arizona, V.T. Ranch |
1933-06-09 |
East River of Kaibab |
United States, Arizona, Kaibab |
1933-06-09 |
Echinocactus polycephalus |
United States, Arizona |
1933-06-09 |
Echinocactus polycephalus |
United States, Arizona |
1933-06-09 |
Echinocactus polycephalus |
United States, Arizona |
1933-06-09 |
Echinocereus fendleri |
United States, Arizona |
1933-06-09 |
Echinocereus fendleri |
United States, Arizona |
1933-06-09 |
Echinocereus fendleri |
United States, Arizona |
1933-06-09 |
Echinocereus fendleri |
United States, Arizona |
1933-06-09 |
Experiment pictured |
United States, Arizona, Santa Rita Range Reserve |
1933-08-09 |
Fenced area, showing growth of pine |
United States, Arizona, Kaibab |
1933-06-06 |
Fenced area, showing growth of pine |
United States, Arizona, Kaibab |
1933-06-06 |
Foothills of Mustang Mts. |
United States, Arizona, Vail Junction |
1933-09-28 |
Foothills of Mustang Mts. |
United States, Arizona, Vail Junction |
1933-09-28 |
Foothills with veg named |
United States, Arizona, Vail Junction |
1933-09-28 |
Frankenia, Atriplex, etc. (good ident location point) |
Mexico, Sonora |
1933-12-06 |
General |
United States, Arizona |
1933-02-20 |
General |
United States, Arizona |
1933-02-20 |
General |
United States, Arizona |
1933-02-20 |
General |
United States, Arizona |
1933-02-20 |
General |
United States, Arizona |
1933-02-20 |
General |
United States, Arizona |
1933-02-20 |
General |
United States, Arizona |
1933-02-20 |
General toward cliffs, veg. |
United States, Arizona, Navaho Mt. |
1933-06-12 |
General view |
United States, Arizona, Navaho Mt. |
1933-06-12 |
General view |
United States, Arizona, Navaho Mt. |
1933-06-12 |
General view |
United States, Arizona |
1933-02-20 |
General view |
United States, Arizona, Grand Canyon |
1933-06-09 |
General view of Navaho |
United States, Arizona |
1933-06-11 |
General view of shad, etc. |
United States, Arizona |
1933-06-09 |
General view, desert veg. |
Mexico, Sonora |
1933-12-08 |
General view, desert veg. |
Mexico, Sonora |
1933-12-06 |
General view, desert veg. |
Mexico, Sonora |
1933-12-06 |
General view, veg. named |
United States, Arizona, Navaho Mt. |
1933-06-12 |
General view, veg. named |
United States, Arizona, Navaho Mt. |
1933-06-12 |
General view, vegetation named |
United States, Arizona, Navaho Mt. |
1933-06-12 |
Gooseberry |
United States, Arizona |
1933-06-09 |
Grassland, Ocotillo on flats, Oaks on Mts. |
Mexico, Sonora |
1933-12-03 |
Grassland, Ocotillo on flats, Oaks on Mts. |
Mexico, Sonora |
1933-12-03 |