1. Stratigraphic framework of Cambrian and Ordovician rocks in the central Appalachian Basin from Fayette County, Ohio to Botetourt County, Virginia Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Information Services Resource Type: Map Access & Availability: Loading
2. Stratigraphic framework of Cambrian and Ordovician rocks in the central Appalachian Basin from Lake County, Ohio, to Juniata County, Pennsylvania Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading
3. Stratigraphic framework of Cambrian and Ordovician rocks in the central Appalachian Basin from Richland County, Ohio to Rockingham County, Virginia Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading
4. Structure-contour maps on the top of the Mississippian carbonates and on the top of the upper Cambrian and lower Ordovician Arbuckle group, Joplin 1⁰ X 2⁰ quadrangle, Kansas and Missouri Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading