U.S. Geological Survey
National Water-Quality Assessment Program

USGS Internal Access Only

Report Plans

Report Proposal: Ground-Water Quality in the Cambrian-Ordovician Aquifer System in Illinois, Iowa, Minnesota, and Wisconsin

Presentations

Wilson, J.T., 2008, Ground-water quality of the Cambrian-Ordovician aquifer system in the Northern Midwest, 53rd Annual Midwest Ground Water Conference, Dubuque, Iowa, September 29 - October 2, 2008 (Powerpoint (6 Mb) | PDF (4 Mb))