Groundwater-quality data and regional trends in the Virginia coastal plain, 1906-2007 - McFarland, E. Randolph; Virginia Dept. of Environmental Quality; Hampton Roads Planning District Commission (Va.); Geological Survey (U.S.) (Reston, Va. : U.S. Department of the Interior, U.S. Geological Survey, 2010)
Includes bibliographical references (p. 62-66).
Keywords: Hydrogeology -- Virginia -- History; Water chemistry -- Virginia -- History