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| Collection: | Sierra Ancha Historical Images |
| Keywords: |
grazing grasses fence line effect protected area |
| Location: | AZ; USA |
| Description: | Fenced Plot |
| Date: | 10/1921 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
grazing research techniques |
| Location: | Tonto NF; AZ; USA |
| Description: | operating Hill's pantograph charting vegetative quadrants. |
| Date: | 04/1920 |
