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. A feasibility study to estimate minimum surface-casing depths of oil and gas wells to prevent ground-water contamination in four areas of western Pennsylvania Author/Creator: Buckwalter, Theodore F., author Publication/Creation: Lemoyne, Pennsylvania : U.S. Geological Survey, 1995 Resource Type: Book Access & Availability: Loading