1. Ground-water flow in the Gulf Coast aquifer systems, south-central United States Author/Creator: Williamson, Alex K., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2001 Resource Type: Book Access & Availability: Loading
2. Water quality in the Central Columbia plateau, Washington, and Idaho, 1992-95 Author/Creator: Williamson, Alex K., author Publication/Creation: [Reston, Virginia] : U.S. Department of the Interior, U.S. Geological Survey, 1998 Resource Type: Book Access & Availability: Loading
3. Ground-water flow in the Gulf Coast aquifer systems, south central United States : a preliminary analysis Author/Creator: Williamson, Alex K., author Publication/Creation: Austin, Texas : U.S. Geological Survey, 1990 Resource Type: Book Access & Availability: Loading
4. Ground-water flow in the Central Valley, California Author/Creator: Williamson, Alex K., author Publication/Creation: Washington : Department of the Interior, U.S. Geological Survey, 1989 Resource Type: Book Access & Availability: Loading
5. Evapotranspiration of applied water, Central Valley, California, 1957-78 Author/Creator: Williamson, Alex K., author Publication/Creation: Sacramento, Calif. : U.S. Geological Survey, 1982 Resource Type: Book Access & Availability: Loading