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Estimation of total nitrogen and total phosphorus in streams of the Middle Columbia River Basin (Oregon, Washington, and Idaho) using SPARROW models, with emphasis on the Yakima River Basin, Washington [研究报告]
10.3133/sir20135199U.S. Geological Survey. 2013-01-01
Johnson, Henry M.;  Black, Robert W. rwblack@usgs.gov;  Wise, Daniel R.
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