Gellenbeck, D.J., and Coes, A.L., 1999, Ground-water quality in alluvial basins that have minimal urban development, south-central Arizona: U.S. Geological Survey Water-Resources Investigations Report 99-4005, 27 p.
Gellenbeck, D.J., and Coes, A.L., 1999, Ground-water quality in alluvial basins that have minimal urban development, south-central Arizona: U.S. Geological Survey Water-Resources Investigations Report 99-4005, 27 p.
Groundwater, Alluvium, Aquifer,