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1
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2by Kesling, Robert V. (Robert Vernon), 1917-2005Subjects: “...Paleontology Devonian....”
Published 1978
Book -
3
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4
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5
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6
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7
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8
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9
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10by Ross, Reuben James, 1918-Subjects: “...Paleontology Ordovician....”
Published 1967
Government Document Book -
11
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12
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13
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14
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15by Kesling, Robert V. (Robert Vernon), 1917-2005Subjects: “...Paleontology Devonian....”
Published 1966
Book -
16
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17by Kesling, Robert V. (Robert Vernon), 1917-2005Subjects: “...Paleontology Mississippian....”
Published 1971
Book -
18
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19
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20by Kesling, Robert V. (Robert Vernon), 1917-2005Subjects: “...Paleontology Devonian....”
Published 1965
Book