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1by Armstrong, Augustus K.Subjects: “...Geology, Stratigraphic Mississippian....”
Published 1955
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2by Armstrong, Augustus K.Subjects: “...Geology, Stratigraphic Mississippian....”
Published 1967
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3by Craig, Lawrence C. (Lawrence Carey), 1918-Subjects: “...Geology, Stratigraphic Mississippian....”
Published 1979
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4by Armstrong, Augustus K.Subjects: “...Geology, Stratigraphic Triassic....”
Published 1982
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5Subjects: “...Geology, Stratigraphic Mississippian....”
Government Document Book -
6by Armstrong, Augustus K.Subjects: “...Geology, Stratigraphic Mississippian....”
Published 1992
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7by Dubiel, Russell F.Subjects: “...Geology, Stratigraphic Triassic....”
Published 1989
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8
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9by Armstrong, Augustus K.Subjects: “...Geology, Stratigraphic Mississippian....”
Published 1958
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10Subjects: “...Geology, Stratigraphic Carboniferous....”
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11by Armstrong, Augustus K.Subjects: “...Geology, Stratigraphic Mississippian....”
Published 1962
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12Subjects: “...Geology, Stratigraphic Carboniferous....”
Government Document Book -
13Subjects: “...Geology, Stratigraphic Mississippian. http://id.loc.gov/authorities/subjects/sh85054100...”
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14Subjects: “...Geology, Stratigraphic Triassic. http://id.loc.gov/authorities/subjects/sh85054115...”
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15by Armstrong, Augustus K.Subjects: “...Geology, Stratigraphic Pennsylvanian....”
Published 1972
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16by Blair, Will N.Subjects: “...Geology, Stratigraphic Tertiary....”
Published 1979
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17
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18Subjects: “...Geology, Stratigraphic Mississippian. http://id.loc.gov/authorities/subjects/sh85054100...”
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19Subjects: “...Geology, Stratigraphic Triassic. http://id.loc.gov/authorities/subjects/sh85054115...”
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20Subjects: “...Geology, Stratigraphic Carboniferous. http://id.loc.gov/authorities/subjects/sh85054090...”
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Government Document eBook