1. Stratigraphic framework and depositional sequences in the Lower Silurian regional oil and gas accumulation, Appalachian basin, from Licking County, Ohio, to Fayette County, West Virginia Author/Creator: Ryder, Robert T. Publication/Creation: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : U.S. Geological Survey, Information Services [distributor], 2006 Resource Type: Map Access & Availability: Loading
2. Subsurface correlations and sequence stratigraphic interpretations of lower Silurian strata in the Appalachian Basin of northeast Ohio, southwest New York, and northwest Pennsylvania Author/Creator: Geological Survey (U.S.) Publication/Creation: [Reston, Va.?] : The Survey, 2001 Resource Type: Map Edition: Version 1.0. Access & Availability: Loading
3. 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 Author/Creator: Ryder, Robert T. Publication/Creation: Denver, CO : Information Services [distributor]. Resource Type: Map Access & Availability: Loading