1. Geologic cross section C-C' through the Appalachian basin from Erie County, north-central Ohio, to the Valley and Ridge Province, Bedford County, south-central Pennsylvania Author/Creator: Ryder, Robert T. Publication/Creation: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, 2012 Resource Type: Map Access & Availability: Loading
2. Geologic cross section D-D' through the Appalachian Basin from the Findlay Arch, Sandusky County, Ohio, to the Valley and Ridge Province, Hardy County, West Virginia Author/Creator: Ryder, Robert T. Publication/Creation: [Reston, Va.?] : U.S. Dept. of the Interior, U.S. Geological Survey, 2008 Resource Type: Map Access & Availability: Loading
3. Assessment of Appalachian Basin oil and gas resources : Utica-Lower Paleozoic Total Petroleum System Author/Creator: Ryder, Robert T. Publication/Creation: Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2008 Resource Type: Book Access & Availability: Loading
4. Stratigraphic framework of Cambrian and Ordovician rocks in the Appalachian Basin from Sequatchie County, Tennessee, through eastern Kentucky, to Mingo County, West Virginia Author/Creator: Ryder, Robert T. Publication/Creation: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, Colo. : For sale by U.S. Geological Survey, Information Services, 2008 Resource Type: Map Access & Availability: Loading
5. Stratigraphic framework of Cambrian and Ordovician rocks in the Appalachian Basin from Sequatchie County, Tennessee, through eastern Kentucky, to Mingo County, West Virginia Author/Creator: Ryder, Robert T. Publication/Creation: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, Colo. : For sale by U.S. Geological Survey, Information Services, 2008 Resource Type: Map Access & Availability: Loading
6. 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
7. Stratigraphic framework of Cambrian and Ordovician rocks in the central Appalachian basin from Medina County, Ohio, through southwestern and south-central Pennsylvania to Hampshire County, West Virginia Author/Creator: Ryder, Robert T. Publication/Creation: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, 2003 Resource Type: Book Edition: Version 2.0. Access & Availability: Loading
8. Characteristics of discrete and basin-centered parts of the Lower Silurian regional oil and gas accumulation, Appalachian basin : preliminary results from a data set of 25 oil and gas fields Author/Creator: Ryder, Robert T. Publication/Creation: [Reston, VA] : U.S. Dept. of the Interior, U.S. Geological Survey, [1998] Resource Type: Book Access & Availability: Loading
9. Tectonically controlled fan delta and submarine fan sedimentation of late Miocene age, southern Temblor Range, California Author/Creator: Ryder, Robert T. Publication/Creation: Washington : U.S. G.P.O. ; Denver, CO : Dept. of the Interior, U.S. Geological Survey, 1989 Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no. 1440-1444. Access & Availability: Loading