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Publication Extents

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Glacial and postglacial geologic history of Isle Royale National Park, Michigan
N. King Huber
1973, Professional Paper 754-A
Isle Royale was overridden by glacial ice during each of the four major glaciations of the Pleistocene Epoch, and each successive glaciation essentially obliterated all direct evidence of preceding glaciations on the island. In the waning phase of the last major glaciation, the Wisconsin Glaciation, the frontal ice margin retreated...
Thermal characteristics of Lake Michigan, 1954-55
John F. Carr, James W. Moffett, John E. Gannon
1973, Technical Paper 69
The thermal regime of Lake Michigan is described on the basis of the analysis of 1,671 bathythermograph casts made in 1954 and 1955. The beginning, duration, geographic extent, and ending of thermal stratification were determined from 51 thermal profiles from all areas of the open lake. The lake gained heat...