Boerboom, T.J.2010-02-262010-02-262001https://hdl.handle.net/11299/585547 pls. Scale 1:100,000. Pl. 1, data-base map; pl. 2, bedrock geologic map and sections; pl. 3, supplemental data on bedrock geology and geophysics; pl. 4, surficial geology; pl. 5, Quaternary stratigraphy; pl. 6, sinkhole distribution, depth to bedrock and bedrock topography; pl. 7, mineral endowment. See also RI-60. Part B Published separately by the Minnesota Department of Natural Resources, Division of Waters. Supplementary files include ArcGis coverages, shapefiles and/or ESRI grids used to construct the plates, and metadata.en-USatlasgeologyMap