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.