| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
grazing animal damage seedling sample plot |
| Organisms: | ponderosa pine |
| Location: | Fort Valley Experimental Forest; AZ; USA |
| Description: | Ponderosa Pine seedling |
| Date: | 11/20/1929 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
grazing animal damage seedling sample plot |
| Organisms: | ponderosa pine |
| Location: | Fort Valley Experimental Forest; AZ; USA |
| Description: | Ponderosa pine seedling |
| Date: | 11/20/1929 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
thinning study |
| Organisms: | ponderosa pine |
| Location: | Kaibab National Forest; AZ; USA |
| Description: | Unthinned control plot |
| Date: | 11/20/1929 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: | grasses |
| Organisms: | ponderosa pine |
| Location: | Fort Valley Experimental Forest; AZ; USA |
| Description: | Festuca Arizonica in pine-grass competition experiment |
| Date: | 11/20/1929 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
thinning study |
| Organisms: | ponderosa pine |
| Location: | Kaibab National Forest; AZ; USA |
| Description: | Thinned and pruned plot |
| Date: | 10/27/1929 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
thinning study |
| Organisms: | ponderosa pine |
| Location: | Kaibab National Forest; AZ; USA |
| Description: | Thinned and pruned plot |
| Date: | 10/27/1929 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: | thinning |
| Organisms: | ponderosa pine |
| Location: | Kaibab National Forest; AZ; USA |
| Description: | Thinning plot |
| Date: | 10/21/1929 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: | thinning |
| Organisms: | ponderosa pine |
| Location: | Kaibab National Forest; AZ; USA |
| Description: | thinning plot |
| Date: | 10/21/1929 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: | thinning |
| Organisms: | ponderosa pine |
| Location: | Kaibab National Forest; AZ; USA |
| Description: | Thinned and pruned plot |
| Date: | 10/21/1929 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: | thinning |
| Organisms: | ponderosa pine |
| Location: | Kaibab National Forest; AZ; USA |
| Description: | Plot thinned and pruned |
| Date: | 10/21/1929 |










