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Quaternary Geology And Soils Of Mower County, Minnesota, Gerald M. Mccormick

Journal of the Minnesota Academy of Science

A complex series of sediments of diverse properties and origin make up the surface material~ of Mower County, Minnesota. The higher ridges are composed primarily of pre-Wisconsinan tills. Intermediate elevations have layers of Wisconsinan pedisediments overlying the till. In some moderately low elevation areas weathered limestone is near the surface along streams, and Wisconsinan till occurs along the west edge of the county. Outwash plains and stream terraces occur at the lowest elevations along most rivers and streams. Pre-Wisconsinan paleosols are common in some areas. A thin mantle of Wisconsinan loess covers all of the sediments.