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Water Quality of the Upper West Branch Susquehanna River and Tributary Streams Between Curwensville and Renovo, Pennsylvania, May and July 1984
Robert A. HainlyJames L. Barker
出版U.S. Department of the Interior, U.S. Geological Survey, 1993
URLhttp://books.google.com.hk/books?id=SZv0iZX06rEC&hl=&source=gbs_api
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