Evaluation of methods for delineating areas that contribute water to wells completed in valley-fill aquifers in Pennsylvania
By: by Dennis W. Risser and Thomas M. Madden, Jr. ; prepared in cooperation with the Pennsylvania Department of Environmental Resources, Bureau of Community Environmental Control
Contributors: Madden, Thomas M; Pennsylvania. Bureau of Community Environmental Control; Geological Survey (U.S.)
Series: U.S. Geological Survey open-file report -- 92-635
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey; Earth Science Information Center, Open-File Reports Section [distributor]
Published: 1994
Place of publication: Lemoyne, Pa; Denver, CO
Language: eng
Format: Microform
Subjects: Groundwater -- Pollution -- Pennsylvania; Water-supply -- Pennsylvania
Notes: Distributed to depository libraries in microfiche

Shipping list no.: 96-0046-M

Microfiche. [Denver, Colo.] : U.S. Geological Survey, [1995] 2 microfiches : negative