@article{745715, recid = {745715}, author = {Ryder, Robert T., and Trippi, Michael H., and Swezey, C.}, title = {Geologic cross section I-I' through the Appalachian basin from the eastern margin of the Illinois Basin, Jefferson County, Kentucky, to the Valley and Ridge Province, Scott County, Virginia /}, pages = {1 online resource (1 section) :}, note = {Title from title screen (viewed on Jan. 11, 2016).}, url = {http://library.usi.edu/record/745715}, }