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Water-resources activities of the U.S. Geological Survey in Pennsylvania, 1986-87 / Compiled and edited by Robert E. Helm

Author
Helm, Robert E.
Published
Harrisburg, Pa. : U.S. Geological Survey, 1987.
Physical Description
iv, 119 pages : maps ; 28 cm
Additional Creators
Geological Survey (U.S.). Water Resources Division

Availability

TC424.P4H45 1987 QE75.O9
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Bibliography Note
Includes bibliographies.
Action Note
committed to retain 20170930 20430101 HathiTrust https://www.hathitrust.org/shared_print_program
View MARC record | catkey: 269719