Shows lakes, beaches, sand-dune area, morainic area, till plains, crest of moraine, and Kankakee Marsh area. Detached from: The geology of Lake and Porter counties, Indiana / W.S. Blatchley. In Indiana Department of Geology and Natural Resources twenty-second annual report. Indianapolis: Wm. B. Burford, 1898. Page 23.
Imprint: [Indianapolis] : Department of Geology and Natural Resources of Indiana, [1898]; Imprint: Indianapolis, Ind. : Wm. B. Burford, lith., [1898]
Dimensions: 55 x 42 cm; Scale: Approximately 1:126,720. 2 miles = 1 inch