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1
The Quimby and Greenvale Cove Formations in western Maine /
by Moench, Robert Hadley, 1926-
Washington : U.S. Govt. Print. Off., 1969

Government Document Book
2
Stratigraphic framework of Cambrian and Ordovician rocks in the central Appalachian Basin from Fayette County, Ohio to Botetourt County, Virginia /
Reston, VA : Denver, CO : U.S. Geological Survey ; For sale by U.S. Geological Survey, Information Services, 1996

Government Document Map
3
Stratigraphic framework of Cambrian and Ordovician rocks in the central Appalachian Basin from Lake County, Ohio, to Juniata County, Pennsylvania /
Reston, VA : Denver, CO : U.S. Geological Survey ; For sale by U.S. Geological Survey Map Distribution, 1992

Government Document Map
4
Sub-Trenton rocks of Ohio in cross sections from West Virginia and Pennsylvania to Michigan /
by Calvert, Warren L. (Warren Lytle)
Columbus : State of Ohio, Dept. of Natural Resources, Division of Geological Survey, 1963

Government Document Book
5
High-carbonate rock in the High Bridge Group (Middle Ordovician), Boone County, Kentucky /
by Dever, Garland R.
Lexington, Ky. : Kentucky Geological Survey, University of Kentucky, 1974

Government Document Book
8
Stratigraphic framework of Cambrian and Ordovician rocks in the central Appalachian Basin from Richland County, Ohio to Rockingham County, Virginia /
Reston, Va. : Denver, CO : U.S. Geological Survey ; For sale by U.S. Geological Survey, Map Distribution, 1991

Government Document Map
10
Correlation between surface and subsurface sections of the Ellenburger group of Texas /
by Hendricks, Leo
Austin : Bureau of Economic Geology, University of Texas, 1952

Book
11
The Canadian and Ordovician formations and fossils of South Manchuria,
by Endo, Riuji
Washington, U.S. Govt. Print. Off., 1932

Government Document Book
12
Chemical composition, stratigraphy, and depositional environments of the Black River Group (Middle Ordovician), southwestern Ohio /
by Stith, David A.
Columbus : State of Ohio, Dept. of Natural Resources, Division of Geological Survey, 1979

Government Document Book
13
Sub-Trenton rocks from Fayette County, Ohio, to Brant County, Ontario /
by Calvert, Warren L. (Warren Lytle)
Columbus : State of Ohio, Dept. of Natural Resources, Division of Geological Survey, 1964

Government Document Book
14
Lithofacies and stratigraphic nomenclature of part of the Upper Ordovician section of Kentucky /
by Weir, Gordon W. (Gordon Whitney), 1922-2011
Reston, Va. : U.S. Geological Survey, 1979

Government Document Map
15
Annual field trip of the Appalachian and Pittsburgh Geological Societies in the Great Valley in West Virginia : log of trip October 16, 17, 1964 /
[Morgantown?] : West Virginia Geological and Economic Survey, 1964

Book
16
The Lower Siluric shales of the Mohawk valley,
by Ruedemann, Rudolf, 1864-1956
Albany, University of the State of New York, 1912

Government Document Book
17
Stratigraphy and environmental sedimentology of Middle Ordovician Black River Group in the type area - New York State,
by Walker, Kenneth R. (Kenneth Russell), 1937-
Albany, University of the State of New York, State Education Dept., 1973

Government Document Book
18
Ordovician system of West Virginia.

Book
19
Strodes Creek Member (Upper Ordovician) : a new map unit in the Lexington Limestone of north-central Kentucky /
by Black, Douglas F. B.
Washington : U.S. Govt. Print. Off., 1973

Government Document Book
20
Graptolite biostratigraphy of the Ordovician Martinsburg Formation in New Jersey and contiguous areas /
by Parris, David C.
Trenton, NJ : New Jersey Dept. of Environmental Protection and Energy, Division of Science and Research, Geological Survey : Maps and Publications Sales Office, Bureau of Revenue, 1992

Government Document Book
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