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| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
equipment research techniques range study |
| Location: | Coconino NF; AZ; USA |
| Description: | Densiometer-tree canopy measure. RM-1705.15 |
| Date: | 10/1962 |
| 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 |
