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Environmental Characteristics and Water Quality of Hydrologic Benchmark Network Stations in the West-central United States

M. L. ClarkC. A. Eddy-MillerA. M. Mast

出版	U.S. Geological Survey, 1999
URL	http://books.google.com.hk/books?id=7y2DzQEACAAJ&hl=&source=gbs_api