TY - RPRT TI - Stratigraphic framework of Cambrian and Ordovician rocks in the Appalachian basin from Sequatchie County, Tennessee, through eastern Kentucky, to Mingo County, West Virginia AU - Robert T. Ryder AU - Robert D. Crangle AU - John E. Repetski AU - Anita G. Harris PY - 2014 DO - 10.3133/pp1708e.2.5 UR - https://pubs.usgs.gov/publication/pp1708E.2.5 ID - pp1708E.2.5 ER -