WASHINGTON, Aug. 5 (TNSLrpt) -- A report from the U.S. Geological Survey (USGS) and coauthored by Hannah L. Podzorski and Karen R. Ryberg explores how subsurface agricultural drainage systems affect water flow in downstream waterways. Titled 'A Framework for Understanding the Effects of Subsurface Agricultural Drainage on Downstream Flows,' the document, identified as Scientific Investigations Report 2025-5023, was prepared in cooperation with the transportation departments of Illinois . . .

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