Records of wells and chemical analyses of ground water in Charles Mix and Douglas counties, South Dakota

The U.S. Geological Survey, in cooperation with the South Dakota Department of Environmental and Natural Resources, maintains a data base of information on water resources in the State of South Dakota. The ground-water site data for Charles Mix and Douglas Counties are presented in two tables, with the data organized by county and location. The chemical data for ground-water sites also are located in a table organized by geologic unit and location.