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Hydrogeologic framework and ground-water flow in the Fall Zone of Virginia
Hydrogeologic framework and ground water flow in the Fall Zone of Virginia
v, 83 pages : illustrations, maps ; 28 cm.
by E. Randolph McFarland ; prepared in cooperation with the Virginia Department of Environmental Quality under a grant from the U.S. Environmental Protection Agency.
Includes bibliographical references (pages 69-71).
Water-resources investigations report ; 99-4093