TY  - RPRT
TI  - 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
AU  - Robert T. Ryder
AU  - Michael H. Trippi
AU  - Christopher S. Swezey
PY  - 2015
DO  - 10.3133/sim3343
UR  - https://pubs.usgs.gov/publication/sim3343
ID  - sim3343
ER  -