TY - RPRT TI - Stratigraphic framework and depositional sequences in the lower Silurian regional oil and gas accumulation, Appalachian Basin: From Jackson County, Ohio, through northwestern Pennsylvania, to Orleans County, New York AU - Robert T. Ryder PY - 2000 DO - 10.3133/i2726 UR - https://pubs.usgs.gov/publication/i2726 ID - i2726 ER -