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South Dakota State Library: Digital Collections

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  • All fields: Nonpoint source pollution -- Big Sioux River Watershed (S.D. and Iowa)
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    • Continuation of the Upper Big Sioux River Watershed project: final report, segment 5

    • Water quality management -- Big Sioux River Watershed (S. D. and Iowa) -- Statistics; Nonpoint source pollution -- Big Sioux River Watershed (S.D. and Iowa); Water conservation projects -- Big Sioux River Watershed (S.D. and Iowa) -- Statistics;...
    • This project is a continuation of the Upper Big River Watershed project segment 5. The project is part of the Section 319 Nonpoint Source Pollution Control Program. The project involves water quality management and nonpoint source pollution testing.

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