1. Thickness of unconsolidated deposits in the Puget Sound lowland, Washington and British Columbia Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Tacoma, Washington : U.S. Department of the Interior, U.S. Geological Survey, 1996 Resource Type: Map Access & Availability: Loading
2. 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