1. Geohydrology and water quality of the unconsolidated deposits in Erie County, Pennsylvania Author/Creator: Buckwalter, Theodore F., author Publication/Creation: Lemoyne, Pennsylvania : U.S. Geological Survey, 1996 Resource Type: Book Access & Availability: Loading
2. Hydrogeology and ground-water quality of northern Bucks County, Pennsylvania Author/Creator: Sloto, Ronald A., author Publication/Creation: Lemoyne, Pennsylvania : U.S. Geological Survey, 1994 Resource Type: Book Access & Availability: Loading
3. Altitude and configuration of the potentiometric surface in Springfield Township, Bucks County, Pennsylvania, April 1991 through October 1991 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Lemoyne, Pennsylvania : U.S. Department of the Interior, U.S. Geological Survey, 1993 Resource Type: Map Access & Availability: Loading