1964. 2018-04-17T20:15:13Z. 2018-09-05T19:41:47Z. Pennsylvania. Bureau of Topographic and Geologic Survey. Pennsylvania Bureau of Topographic and Geologic Survey. English. cartographic image. Public. Pennsylvania, Clearfield County, Centre County, Clinton County, Centre County., Clearfield County., and Clinton County.
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1924. 2018-05-09T18:00:20Z. 2018-09-05T19:36:58Z. Hudnall, James S., cartographer. Kentucky Geological Survey,A. Hoen & Co. English. cartographic image. Public. Kentucky, Cumberland County, Monroe County, Clinton County, Cumberland County (Ky.), Monroe County (Ky.), Clinton County (Ky.), Clinton County., Cumberland County., and Monroe County.