1. Bathymetric mapping, sediment quality, and water quality of Lake Delhi, Iowa, 2001-02 Author/Creator: Schnoebelen, Douglas J. Publication/Creation: Iowa City, Iowa : U.S. Geological Survey ; Denver, Colo. : U.S. Geological Survey, 2003 Resource Type: Book Access & Availability: Loading
2. Water-quality assessment of the eastern Iowa basins : selected pesticides and pesticide degradates in streams, 1996-98 Publication/Creation: Denver, CO : U.S. Geological Survey, Information Services [distributor]. Resource Type: Book Access & Availability: Loading
3. Environmental setting and natural factors and human influences affecting water quality in the White River Basin, Indiana Author/Creator: Schnoebelen, Douglas J., author Publication/Creation: Indianapolis, Indiana : U.S. Department of the Interior, U.S. Geological Survey, 1999 Resource Type: Book Access & Availability: Loading
4. Hydrogeology and water quality in the Cedar Rapids area, Iowa, 1992-96 Author/Creator: Schulmeyer, Peter M., author Publication/Creation: Iowa City, Iowa : U.S. Department of the Interior, U.S. Geological Survey, 1998 Resource Type: Book Access & Availability: Loading
5. Approximate location of the 10,000-milligram-per-liter dissolved-solids boundary in the Silurian and Devonian carbonate-rock aquifer, southwestern and northern Indiana Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 1994 Resource Type: Map Access & Availability: Loading