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| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: | litter |
| Location: | Coconino NF; AZ; USA |
| Description: | Heavy Needle Litter |
| Date: | 11/25/1941 |
| Collection: | Sierra Ancha Historical Images |
| Keywords: |
grasses litter |
| Location: | Sitgreaves NF; AZ; USA |
| Description: | Watershed Project |
| Date: | 10/26/1939 |
