[Reston, Va.] : United States Department of the Interior, Geological Survey, 1987
Resource Type:
Map
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Full Title:
Ground-water levels in the lower Paleozoic and Precambrian crystalline rocks, southeastern Chester County, Pennsylvania, July and August 1986 / by John A. Garges
Relief shown by contours and spot heights. "Prepared in cooperation with the Chester County Water Resources Authority." Black line print. Includes location map.