Suggested Topics within your search.
Suggested Topics within your search.
Devonian Geologic Period
Geology, Stratigraphic
176
Stratigraphie
162
Geology
135
Paleontology
100
Paléontologie
92
Géologie
83
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1
by Beecher, Charles Emerson, 1856-1904
Harrisburg : Published by the Board of Commissioners for the Second Geological Survey, 1884
Harrisburg : Published by the Board of Commissioners for the Second Geological Survey, 1884
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2
by Jones, Thomas H. (Thomas Henry), 1912-
Harrisburg, Commonwealth of Pennsylvania Dept. of Internal Affairs, Topographic and Geologic Survey, 1957
Harrisburg, Commonwealth of Pennsylvania Dept. of Internal Affairs, Topographic and Geologic Survey, 1957
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3
by Dawson, John William, 1820-1899
[London] : [publisher not identified], 1863
[London] : [publisher not identified], 1863
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Book
4
5
by Doheny, Edward J.
Bloomington : Printed by authority of the State of Indiana, 1975
Bloomington : Printed by authority of the State of Indiana, 1975
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Book
6
by Dawson, John William, Sir, 1820-1899
Montreal : Dawson Bros., 1871
Montreal : Dawson Bros., 1871
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Book
7
by Chance, H. M. (Henry Martyn), 1856-1937
Harrisburg [Pa.] : Pub. by the Board of Commissioners for the Second Geological Survey, 1880
Harrisburg [Pa.] : Pub. by the Board of Commissioners for the Second Geological Survey, 1880
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8
by Ellison, Robert L.
Harrisburg, PA. : Pennsylvania, Bureau of Topographic and Geological Survey, 1965
Harrisburg, PA. : Pennsylvania, Bureau of Topographic and Geological Survey, 1965
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9
10
11
12
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13
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Thesis
Book
14
15
Charleston, W. Va. : The Society, 1935
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Book
16
by Chadwick, George Halcott, 1876-
Albany, The University of the State of New York, 1936
Albany, The University of the State of New York, 1936
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Book
17
by Dennison, John M., Naegele, Orville D.
[Charleston] : West Virginia Geological and Economic Survey Commission, 1963
[Charleston] : West Virginia Geological and Economic Survey Commission, 1963
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Book
18
19
by Prosser, Charles S. (Charles Smith), 1860-1916
Columbus : Geological Survey of Ohio, 1912
Columbus : Geological Survey of Ohio, 1912
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20
by Pohl, Erwin Robert, 1904-
Milwaukee : Published by order of the Board of Trustees, 1929
Milwaukee : Published by order of the Board of Trustees, 1929
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