1. Use of electrical resistivity to detect underground mine voids in Ohio Author/Creator: Sheets, Rodney A. 1962- (Rodney Allen) Publication/Creation: Columbus, Ohio : U.S. Dept. of the Interior, U.S. Geological Survey, 2002 Resource Type: Book Access & Availability: Loading
2. Using water-quality profiles to characterize seasonal water quality and loading in the upper Animas River basin, southwestern Colorado Author/Creator: Leib, Kenneth J. Publication/Creation: Denver, Colo. : U.S. Geological Survey, 2003 Resource Type: Book Access & Availability: Loading