TY  - RPRT
TI  - Stratigraphic framework of Cambrian and Ordovician rocks in the central Appalachian basin from Campbell County, Kentucky, to Tazewell County, Virginia
AU  - Robert T. Ryder
AU  - John E. Repetski
AU  - Anita G. Harris
AU  - Erika E. Lentz
PY  - 2014
DO  - 10.3133/pp1708e.2.4
UR  - https://pubs.usgs.gov/publication/pp1708E.2.4
ID  - pp1708E.2.4
ER  -