1997. 2008-11-11T15:15:06Z. 2011-03-28T23:37:57Z. Shrake, Douglas L. State of Ohio, Dept. of Natural Resources, Division of Geological Survey. English. Public. Ohio, Marion Region, and Marion Region.
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2006. 2012-01-13T19:48:51Z. 2012-03-05T17:33:06Z. Ryder, Robert T. U.S. Geological Survey ; For sale by U.S. Geological Survey, Information Services. English. Public. Appalachian Basin, Ohio, West Virginia, Appalachian Basin., Ohio., and West Virginia. Silurian.