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| Collection: | Sierra Ancha Historical Images |
| Keywords: |
equipment personnel research techniques period attire |
| Location: | Sitgreaves National Forest; USA |
| Description: | Tree planting machine on the Chevelon District |
| Date: | 03/16/1967 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
equipment personnel soil research techniques period attire study |
| Location: | Fort Valley Exp. Forest; AZ; USA |
| Description: | taking soil moisture measurements |
| Date: | 07/12/1955 |
