1956. 2018-06-13T20:11:15Z. 2018-06-13T20:11:15Z. Wilson, Charles William, 1905- cartographer. State of Tennessee, Dept. of Conservation, Division of Geology. English. cartographic image. Public. Appalachian Region, Cumberland Mountains, Appalachian Region., United States, and Cumberland Mountains. Pennsylvanian and From 280 to 310 million years ago.
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1991. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; For sale by Map Distribution. English. Public. Appalachian Region.
1986. 2002-06-01T04:00:00Z. 2010-04-28T17:50:18Z. Geological Survey (U.S.). The Survey ; For sale by Map Distribution. English. Public. Appalachian Region.
1978. 2017-10-31T13:11:39Z. 2017-10-31T13:11:39Z. Williams, Harold, 1934-. Memorial University of Newfoundland : Available from Dept. of Geology, Memorial University. English. cartographic image. Public. Appalachian Region, Canada, Appalachian Orogen., North America, Appalachian Orogen., United States Appalachian Orogen., Appalachian Region., Appalaches, and Amérique du Nord.
1965. 2002-06-01T04:00:00Z. 2011-03-23T22:22:10Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Appalachian Region.