File:Plate 21 - Glacial Lake Algonquin and its Correlatives (USGS 1915).JPG

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English: Map of Glacial Lake Algonquin and its Correlatives (USGS 1915)
Source The Pleistocene of Indiana and Michigan and the History of the Great Lakes; U.S. Geological Survey, Monograph, #53; Government Printing Office; Washington, D.C.; 1915
Author Frank Leverett and Frank B. Taylor


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21 April 2014

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current18:27, 21 April 2014Thumbnail for version as of 18:27, 21 April 20141,094 × 852 (205 KB)Chris LightUser created page with UploadWizard
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