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Appraisal of the water resources of the Big Sioux aquifer, Codington and Grant counties, South Dakota
Big Sioux aquifer model, Codington and Grant counties, South Dakota
East Dakota Water Development District (S.D.)
v, 34 pages : illustrations, maps ; 28 cm.
Includes bibliographical references (pages 33-34).
Water-resources investigations report ; 96-4275