1. Water-quality and biological characteristics of the Little White River and selected tributaries, Todd County, South Dakota, 2002-2003 Author/Creator: Williamson, Joyce E. Publication/Creation: Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2005 Resource Type: Book Access & Availability: Loading
2. Water-quality characteristics in the Black Hills area, South Dakota Author/Creator: Williamson, Joyce E. Publication/Creation: Rapid City, S.D. : U.S. Dept. of the Interior, U.S. Geological Survey, 2001 Resource Type: Book Access & Availability: Loading
3. Water-quality characteristics for selected streams in Lawrence County, South Dakota, 1988-92 Author/Creator: Williamson, Joyce E. Publication/Creation: Rapid City, S.D. : U.S. Dept. of the Interior, U.S. Geological Survey, 2000 Resource Type: Book Access & Availability: Loading