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Creator
- Arizona. State Land Department14
- Arizona NEMO10
- Arizona. Department of Water Resources4
- Arizona Geological Survey2
- Jim Malusa, USGS2
- US Environmental Protection Agency2
- United State. Geological Survey2
- United States. Environmental Protection Agency.2
- University of Arizona. Cooperative Extension2
- Arizona. Game and Fish Department1
- United States. Department of Agriculture.1
- United States. Geological Survey1