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| Collection: | Sierra Ancha Historical Images |
| Keywords: |
soil Improvement |
| Location: | Sierra Ancha Exp Forest; AZ; USA |
| Description: | Range Study |
| Date: | 09/04/1941 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
soil fence line effect protected area Improvement |
| Location: | Coconino NF; AZ; USA |
| Description: | Big Fill Plot |
| Date: | 09/03/1941 |
