| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: | study |
| Organisms: | ponderosa pine |
| Location: | Tusayan National Forest; AZ; USA |
| Description: | Govt. Knolls study plot |
| Date: | 08/22/1935 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: | study |
| Organisms: | ponderosa pine |
| Location: | Tusayan National Forest; AZ; USA |
| Description: | Govt. Knolls study plot |
| Date: | 08/22/1935 |