Record Display for the EPA National Library Catalog
RECORD NUMBER: 5802 OF 5955Main Title | Water-resources activities of the U.S. Geological Survey in Pennsylvania 1988-89 / | |||||||||||
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Author | Helm, Robert E. | |||||||||||
Publisher | U.S. Geological Survey, | |||||||||||
Year Published | 1989 | |||||||||||
OCLC Number | 20243703 | |||||||||||
Subjects | Water-supply--Pennsylvania ; Water quality management | |||||||||||
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Collation | iii, 79 p. ; 28 cm. |