1. Sources of water and nitrogen to the Widefield Aquifer, southwestern El Paso County, Colorado Author/Creator: Edelmann, Patrick, author Publication/Creation: Lakewood, Colorado : U.S. Geological Survey, 1985 Format: Book Access & Availability: Loading
2. Effects of irrigating with wastewater on ground-water quality at Fort Carson Military Reservation golf course near Colorado Springs, Colorado Author/Creator: Edelmann, Patrick, author Publication/Creation: Lakewood, Colo. : U.S. Geological Survey, 1984 Format: Book Access & Availability: Loading
3. Quality of ground water in agricultural areas of the San Luis Valley, South-Central Colorado Author/Creator: Edelmann, Patrick, author Publication/Creation: Lakewood, Colorado : U.S. Geological Survey, 1984 Format: Book Access & Availability: Loading