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| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: | thinning |
| Organisms: | ponderosa pine |
| Location: | Prescott National Forest; AZ; United States |
| Description: | Thinning Plots - Prescott |
| Date: | 1925 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: | thinning |
| Organisms: | ponderosa pine |
| Location: | Prescott National Forest; AZ ; United States |
| Description: | Western yellow pine 40 years old |
| Date: | 1925 |
