TY  - RPRT
TI  - Stratigraphic framework of Cambrian and Ordovician rocks in the central Appalachian basin from Medina County, Ohio, through southwestern and south-central Pennsylvania to Hampshire County, West Virginia
AU  - Robert T. Ryder
AU  - Anita G. Harris
AU  - John E. Repetski
AU  - Robert D. Crangle
PY  - 2014
DO  - 10.3133/pp1708e.2.2
UR  - https://pubs.usgs.gov/publication/pp1708E.2.2
ID  - pp1708E.2.2
ER  -