1. Calloway Creek limestone and Ashlock and Drakes Formations (Upper Ordovician) in south-central Kentucky Author/Creator: Weir, Gordon W. 1922-2011. (Gordon Whitney) Publication/Creation: Washington : U.S. Govt. Print. Off, 1965 Resource Type: Book Is Part Of: U.S. Geological Survey bulletin, no. 1223-1224. Access & Availability: Loading
2. Calloway Creek limestone and Ashlock and Drakes formations (Upper Ordovician) in south-central Kentucky Author/Creator: Weir, Gordon W. 1922-2011, (Gordon Whitney), author Publication/Creation: [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1965 Resource Type: Book Access & Availability: Loading
3. Calymenid and other Ordovician trilobites from Kentucky and Ohio Author/Creator: Ross, Reuben James, 1918- Publication/Creation: Washington : U.S. Govt. Print. Off, 1967 Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no. 581-584. Access & Availability: Loading
4. Cambrian - early Ordovician brachiopods from Malyi Karatau, the western Balkhash region, and Tien Shan, Central Asia Author/Creator: Holmer, Lars E. Publication/Creation: London : Palaeontological Association, 2001 Resource Type: Book Access & Availability: Loading
5. Cambrian and Ordovician rocks of southern Arizona and New Mexico and westernmost Texas Author/Creator: Hayes, Philip T. 1923- (Philip Thayer), author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1975 Resource Type: Book Access & Availability: Loading
6. Cambrian and Ordovician rocks of southern Arizona and New Mexico and westernmost Texas Author/Creator: Hayes, Philip T. 1923- (Philip Thayer) Publication/Creation: Washington : U.S. Govt. Print. Off, 1975 Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no.871-879. Access & Availability: Loading
7. The Cambrian-Ordovician boundary : sections, fossil dis-tributions and correlations Author/Creator: Bassett, Michael G. Publication/Creation: Cardiff, Wales : National Museum of Wales, 1982 Resource Type: Book Access & Availability: Loading
8. Capitol metabentonite in the Trenton Curdsville Limestone of central Kentucky Author/Creator: Conkin, James Elvin Publication/Creation: Louisville, Ky. : Department of Geology, University of Louisville, 1986 Resource Type: Book Edition: First edition. Access & Availability: Loading
9. Carbonate rocks of Cambrian and Ordovician age in the Lancaster quadrangle, Pennsylvania Author/Creator: Meisler, Harold, author Publication/Creation: [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1968 Resource Type: Book Access & Availability: Loading
10. Carbonate rocks of Cambrian and Ordovician age in the Lancaster quadrangle, Pennsylvania Author/Creator: Meisler, Harold Publication/Creation: [Washington] : [U.S. Govt. Print. Off], [1968] Resource Type: Book Is Part Of: U.S. Geological Survey bulletin, no.1253-1256. Access & Availability: Loading