1957. 2011-12-12T21:29:16Z. 2022-03-29T20:39:42Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Michigan and Wisconsin.
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1957. 2011-12-12T21:29:17Z. 2022-03-29T20:39:42Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Michigan.
1957. 2011-12-12T21:40:26Z. 2022-03-29T20:41:01Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Michigan and Wisconsin.
1957. 2011-12-12T21:29:19Z. 2022-03-29T20:39:43Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Michigan.
1957. 2011-12-12T21:29:19Z. 2022-03-29T20:39:43Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Michigan.
1957. 2011-12-12T21:29:25Z. 2022-03-29T20:39:43Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Michigan.
1957. 2018-04-20T19:27:34Z. 2018-04-20T19:27:34Z. Martin, Helen M. Michigan Dept. of Conservation, Geological Survey Div. English. cartographic image. Public. Michigan and Michigan.
1957. 2011-12-12T21:40:37Z. 2022-03-29T20:41:02Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Michigan and Wisconsin.
1957. 2011-12-12T21:29:31Z. 2022-03-29T20:39:44Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Michigan.
10. Mancelona, Mich
1957. 2011-12-12T21:29:33Z. 2022-03-29T20:39:44Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Michigan.