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SDSU scientist studies wetland losses

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BROOKINGS, S.D. (AP) — An expert on soil science at South Dakota State University says wetlands in eastern North Dakota and South Dakota are shrinking at a rapid pace. Professor Carol Johnston compared Department of Agriculture crop maps with wetland maps from the U.S. Fish and Wildlife Service and the U.S. Geological Survey to determine the wetland loss of the Prairie Pothole Region in the...

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