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1968. 2018-05-29T19:19:49Z. 2018-05-29T19:19:49Z. West Virginia Geological and Economic Survey. The Survey, Williams & Heintz Map Corp.). English. cartographic image. Public. West Virginia, U.S., and West Virginia.
1968. 2018-05-01T19:11:10Z. 2018-05-01T19:11:10Z. Haught, Oscar L. West Virginia Geological and Economic Survey. English. cartographic image. Public. West Virginia, Ohio County, Brooke County, Hancock County, Northern Panhandle, Ohio County (W. Va.), Brooke County (W. Va.), Hancock County (W. Va.), Northern Panhandle (W. Va.), Brooke County., Hancock County., Northern Panhandle., and Ohio County.
1968. 2012-10-10T13:40:51Z. 2013-03-18T20:33:43Z. Zietz, Isidore, 1919-. Dept. of the Interior, U.S. Geological Survey. English. Public. Kentucky, Tennessee, North Carolina, Virginia, West Virginia, and Southern States.