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Publisher
- Arizona State Land Department13
- Arizona NEMO10
- Arizona Department of Water Resources4
- United States Geological Survey3
- Arizona Geological Survey2
- Arizona State Land Department, Arizona Land Resources Information System2
- U.S. Environmental Protection Agency2
- United State. Geological Survey2
- University of Arizona. Cooperative Extension2
- National Park Service1
- U.S. Department of Agriculture, Natural Resources Conservation Service1
- U.S. EPA Office of Research & Development (ORD) - National Health and Environmental Effects Research Laboratory (NHEERL)1
- U.S. EPA Office of Research and Development (ORD) - National Health and Environmental Effects Research Laboratory (NHEERL)1