TY  - RPRT
TI  - Stratigraphic framework and depositional sequences in the Lower Silurian regional oil and gas accumulation, Appalachian basin: from Ashland County, Ohio, through southwestern Pennsylvania, to Preston County, West Virginia
AU  - Robert T. Ryder
PY  - 2014
DO  - 10.3133/pp1708e.3.1
UR  - https://pubs.usgs.gov/publication/pp1708E.3.1
ID  - pp1708E.3.1
ER  -