| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: | regeneration |
| Organisms: | ponderosa pine |
| Location: | Fort Valley, Coconino N.F.; AZ; United States |
| Description: | a good yellow pine seed tree |
| Date: | 1921 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
logging regeneration |
| Organisms: | ponderosa pine |
| Location: | Fort Valley, Coconino N.F.; AZ; United States |
| Description: | Ten years after cutting, partly broken down by grazing |
| Date: | 1921 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: | regeneration |
| Organisms: | ponderosa pine |
| Location: | Fort Valley, Coconino N.F.; AZ; United States |
| Description: | Good advance reproduction of ponderosa pine in open stand |
| Date: | 1921 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Organisms: | ponderosa pine |
| Location: | Fort Valley Experimental Forest; AZ; USA |
| Description: | Annual variation in height growth of ponderosa pine |
| Date: | 1921 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Organisms: | ponderosa pine |
| Location: | Fort Valley Experimental Forest; AZ; USA |
| Description: | Annual variation in height growth of ponderosa pine |
| Date: | 1921 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
grazing study |
| Location: | Fort Valley Exp. Forest; AZ; USA |
| Description: | grazing plot |
| Date: | 1921 |






