This report describes the environmental characteristics and water-quality characteristics of 12 hydrologic benchmark network streams in the Western United States. This information was compiled to aide in the interpretation and application of water-quality data collected as part of the Hydrologic Benchmark Network Program.
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USGS Numbered Series
Environmental characteristics and water quality of hydrologic benchmark network stations in the western United States, 1963-95
U.S. Department of the Interior, U.S. Geological Survey,