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The area designated as the Indiana Dunes is in Lake, Porter, and LaPorte Counties in northwestern Indiana. Including roughly 45 mi (72 km) of shoreline at thesouthern tip of Lake Michigan, the dunes area is replete with numerous well-developedgeomorphic features that formed in response to the final stages of the Lake Michigan Lobe of the Laurentide Ice Sheet. Attractingsuch skilled researchers as T. C. Chamberlain, FrankLeverett, William Alden, Frank Taylor, Jack Hough, and J Harlen Bretz, southern Lake Michigan and environs have yielded a wealth ofinformation about the formative stages of the Great Lakes as well as glaciological mechanisms...

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