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| Collection: | Sierra Ancha Historical Images |
| Keywords: |
erosion grasses rocky soil |
| Location: | Sierra Ancha Exp Forest; AZ; USA |
| Description: | Watershed Project |
| Date: | 08/17/1939 |
| Collection: | Sierra Ancha Historical Images |
| Keywords: |
rocky soil natural vegetation |
| Location: | Tonto N. F.; AZ; USA |
| Description: | Excellent cover on rocky exposure |
| Date: | 10/10/1934 |
