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University of Minnesota Digital Conservancy > University of Minnesota - Twin Cities > Minnesota Geological Survey >
SP-09 Geological Map of the Minneapolis Quadrangle, Minnesota
SP-13 Lower Precambrian Rocks of the Gabbro Lake Quadrangle, Northeastern Minnesota
SP-11 Glacial and Vegetational History of Northeastern Minnesota
SP-10 Clay Mineralogy and Geology of Minnesota's Kaolin Clays
SP-08 The Geology of the Isaac Lake Quadrangle, St. Louis County, Minnesota