1. Geochemistry of ground water in the Gulf Coast aquifer systems, south-central United States Author/Creator: Pettijohn, Robert A., author Publication/Creation: Austin, Texas : U.S. Geological Survey, 1996 Resource Type: Book Access & Availability: Loading
2. Ground-water flow simulation of the Columbia Plateau regional aquifer system, Washington, Oregon, and Idaho Author/Creator: Hansen, Arnold J., 1932- author Publication/Creation: Tacoma, Washington : U.S. Geological Survey, 1994 Resource Type: Book Access & Availability: Loading
3. Ground-water pumpage from the Columbia Plateau Regional Aquifer System, Oregon, 1984 Author/Creator: Collins, C. A. 1944- (Charles Alexander), author Publication/Creation: Portland, Oregon : U.S. Geological Survey, 1987 Resource Type: Book Access & Availability: Loading