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Water-resources activities of the U.S. Geological Survey in Pennsylvania, 1988-89 / compiled and edited by Robert E. Helm

Author:
Helm, Robert E.
Published:
Harrisburg, Pa. : U.S. Geological Survey, 1989.
Physical Description:
vi, 79 pages : illustrations ; 28 cm.
Additional Creators:
Geological Survey (U.S.). Water Resources Division

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QE75.O9 TC424.P4H45 1989
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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: 464409