Shows moraines of Wisconsin glacial stage, former glacial lakes along driftless margins, and glacial waterways through driftless areas. "Showing Glacial Boundary with Glacial Lakes within the Driftless Area due to ponded Drainage along the Drift Margin and Morainic Masses of the Chief Subetages of Wisconsin Glacial State. Note Differentiated Morainic Masses of the Erie, Saginaw and Lake Michigan Lobes of the Late Wisconsin Substage."--Caption. "Plate III." In Handbook of Indiana Geology, Part 2, Physiography of Indiana, between pages 106-107. Indiana Department of Conservation Publication 21. Imprint: [Indianapolis] : Department of Conservation, Division of Geology, State of Indiana, [1922] Dimensions: 30 x 19 cm
Allmaps