1. Borehole geophysical, water-level, and water-quality investigation of a monitoring well completed in the St. Francois Aquifer in Oregon County, Missouri, 2005-08 Author/Creator: Schumacher, John G., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2010 Resource Type: Book Access & Availability: Loading