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| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: | damage |
| Organisms: | ponderosa pine |
| Location: | Fort Valley Exp. Forest; AZ; USA |
| Description: | worthless tree |
| Date: | 06/1937 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
Improvement damage |
| Organisms: | ponderosa pine |
| Location: | Fort Valley Exp. Forest; AZ; USA |
| Description: | Natural vegetation |
| Date: | 06/1937 |
