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. Use of thematic mapper imagery to assess water quality, trophic state, and macrophyte distributions in Massachusetts lakes Author/Creator: Waldron, Marcus C. Publication/Creation: Northborough, MA : U.S. Dept. of the Interior, U.S. Geological Survey, 2001 Resource Type: Book Access & Availability: Loading