1. Hydrogeology of, and quality and recharge ages of ground water in Prince William County, Virginia, 1990-91 Author/Creator: Nelms, David L., author Publication/Creation: Richmond, Virginia : U.S. Geological Survey, 1997 Resource Type: Book Access & Availability: Loading
2. Geohydrology and the occurrence of volatile organic compounds in ground water, Culpeper basin of Prince William County, Virginia Author/Creator: Nelms, David L., author Publication/Creation: Richmond, Virginia : U.S. Geological Survey, 1990 Resource Type: Book Access & Availability: Loading