Water-quality effects and characterization of indicators of onsite wastewater disposal systems in the east-central Black Hills area, South Dakota, 2006-08
Water-quality effects and characterization of indicators of onsite wastewater disposal systems in the east-central Black Hills area, South Dakota, 2006-08 / by Larry D. Putnam, Galen K. Hoogestraat, and J. Foster Sawyer ; prepared in cooperation with the West Dakota Water Development District and the South Dakota Department of Environment and Natural Resources