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Findings of the 1990 scenic rivers water quality monitoring program /
Delaware River Basin Commission in cooperation with the National Park Service.



Language(s): English
Published: [West Trenton, N.J.? : Delaware River Basin Commission, 1991].
Subjects: Environmental monitoring > Environmental monitoring / United States.
Water quality > Water quality / United States.
Note: "April 1991".
Physical Description: 1 v. (various pagings) : ill. ; 28 cm.
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Limited (search only) Pennsylvania State University
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