| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: | regeneration |
| Organisms: | ponderosa pine |
| Location: | Fort Valley Experimental Forest; AZ; United States |
| Description: | Yellow pine seedlings 5 years old |
| Date: |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: | regeneration |
| Organisms: | ponderosa pine |
| Location: | Fort Valley Experimental Forest; AZ; United States |
| Description: | Yellow pine seedlings 5 years old |
| Date: |