Balaban, NancyHobbs, Howard C.Mossler, John H.Map showing interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) with cross section diagrams, scale 1:100,000, Dakota County.PDFengMinnesota Geological SurveyPublicGeologic atlas of Dakota County, Minnesota, C-6, Plate 2, Bedrock GeologyMapsMinnesota1990University of Minnesota