Suggested Topics within your search.
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Geology, Stratigraphic
409
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Geology
341
Ordovician Geologic Period
200
Stratigraphie
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Paléontologie
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Géologie
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61
by Elias, Robert J.
Washington : U.S. G.P.O., 1983
Washington : U.S. G.P.O., 1983
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Government Document
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62
by Holmer, Lars E.
London : Palaeontological Association, 2001
London : Palaeontological Association, 2001
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Book
63
by Kraft, John Christian
New York, 1962
New York, 1962
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Book
64
Stratigraphy of Middle Ordovician rocks in the zinc-lead district of Wisconsin, Illinois, and Iowa /
Washington : U.S.Govt. Print. Off., 1956
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65
by Hintze, Lehi F.
Washington, D.C. : U.S. G.P.O., 1987
Washington, D.C. : U.S. G.P.O., 1987
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Government Document
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66
by Weir, Gordon W. (Gordon Whitney), 1922-2011
Washington : Alexandria, VA : U.S. G.P.O. ; For sale by the Distribution Branch, Text Products Section, U.S. Geological Survey, 1984
Washington : Alexandria, VA : U.S. G.P.O. ; For sale by the Distribution Branch, Text Products Section, U.S. Geological Survey, 1984
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67
by Woodward, Herbert Preston, 1899-
Morgantown : Morgantown Printing and Binding Co. (printers), 1951
Morgantown : Morgantown Printing and Binding Co. (printers), 1951
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Book
68
69
by Buckley, Christopher Paul, 1938-
[Ann Arbor, Mich. : University Microfilms, 1975
[Ann Arbor, Mich. : University Microfilms, 1975
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Thesis
Book
70
by Miller, Arthur K., 1902-
New York] Geological Society of America, 1954
New York] Geological Society of America, 1954
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Book
71
by Freeman, Louise Barton, 1909-
Lexington : University of Kentucky, 1953
Lexington : University of Kentucky, 1953
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Book
72
by Weir, Gordon W. (Gordon Whitney), 1922-2011
Washington : U. S. Govt. Print. Off., 1965
Washington : U. S. Govt. Print. Off., 1965
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73
74
by Bretsky, Peter William, 1938-
Albany, University of the State of New York, State Education Dept., 1970
Albany, University of the State of New York, State Education Dept., 1970
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Book
75
by Pitman, Janet K.
Washington : U.S. G.P.O., 1998
Washington : U.S. G.P.O., 1998
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76
by Lamar, John Everts, 1897-
Urbana, State Geological Survey, 1928
Urbana, State Geological Survey, 1928
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77
by Laughrey, Christopher D.
Harrisburg : Pennsylvania Geological Survey, 1984
Harrisburg : Pennsylvania Geological Survey, 1984
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78
79
by Neuman, Robert B., 1920-
Washington : U. S. Govt. Print. Off., 1964
Washington : U. S. Govt. Print. Off., 1964
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80
by Shearrow, George G.
Columbus, Ohio : Ohio Geological Society, 1987
Columbus, Ohio : Ohio Geological Society, 1987
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