Groundwater resources of the Gettysburg and Hammer Creek formations, southeastern Pennsylvania
By: by Charles R. Wood ; prepared by the United States Geological Survey, Water Resources Division, in cooperation with the Pennsylvania Geological Survey.
Contributors: Geological Survey (U.S.). Water Resources Division.; Pennsylvania. Bureau of Topographic and Geologic Survey.
Series: Water resource report ;; 49
Publisher: Pennsylvania Geological Survey
Published: 1980
Place of publication: Harrisburg
Language: eng
Number of pages: 87
Subjects: Groundwater -- Pennsylvania.; Geology, Stratigraphic -- Triassic.
Notes: Bibliography: p. 55-57.