| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
grazing animal damage reproduction |
| Organisms: | ponderosa pine |
| Location: | Fort Valley Experimental Forest; AZ; USA |
| Description: | Good reproduction of ponderosa pine on cutover area about 50 years old |
| Date: | 11/01/1933 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
grazing animal damage seedling study |
| Organisms: |
sheep ponderosa pine |
| Location: | Tusayan National Forest; AZ; USA |
| Description: | Cooperrider-Cassidy study |
| Date: | 11/1933 |