1. Quality of ground water in Clark County, Washington, 1988 Author/Creator: Turney, Gary L., author Publication/Creation: Tacoma, Washington : U.S. Geological Survey, 1990 Format: Book Access & Availability: Loading
2. Quantity and quality of ground-water inflow to the San Joaquin River, California Author/Creator: Phillips, Steven P., author Publication/Creation: Sacramento, California : U.S. Department of the Interior, U.S. Geological Survey, 1991 Format: Book Access & Availability: Loading