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| Collection: | Sierra Ancha Historical Images |
| Keywords: |
grassland erosion defoliation |
| Location: | Tonto NF; AZ; USA |
| Description: | Range Study |
| Date: | 11/1928 |
| Collection: | Sierra Ancha Historical Images |
| Keywords: |
grassland defoliation |
| Location: | Tonto NF; AZ; USA |
| Description: | Watershed Project |
| Date: | 04/04/1928 |
| Collection: | Sierra Ancha Historical Images |
| Keywords: |
grassland defoliation |
| Location: | Tonto NF; a; USA |
| Description: | Watershed Project |
| Date: |
