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1986. 2016-06-06T17:16:50Z. 2016-08-20T21:14:10Z. Nelson, W. John. Illinois Dept. of Energy and Natural Resources, Illinois State Geological Survey. English. cartographic image. Public. Illinois, Gallatin County, U.S., and Gallatin County.
1977. 2012-06-04T19:05:57Z. 2012-06-13T15:04:01Z. McGrew, Laura W. (Laura Wenger), 1921-. U.S. Geological Survey. English. Public. Montana, Gallatin County, Meagher County, Park County, and U.S.
1977. 2012-06-04T19:02:46Z. 2012-06-13T15:04:01Z. McGrew, Laura W. (Laura Wenger), 1921-. U.S. Geological Survey. English. Public. Montana, Gallatin County, Meagher County, and U.S.