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21
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22Published 1971Subjects: “...Geology, Stratigraphic....”
Map -
23
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24by Sepassi, BahmanSubjects: “...Geology, Stratigraphic Pennsylvanian....”
Published 1978
Thesis Book -
25Published 1991Subjects: “...Geology, Stratigraphic Cambrian Congresses....”
Book -
26by Gould, Charles Newton, 1868-1949Subjects: “...Geology, Stratigraphic Paleozoic....”
Published 1927
Book -
27
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28
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29by Ham, William E. (William Eugene), 1916-1970Subjects: “...Geology, Stratigraphic Permian....”
Published 1961
Book -
30
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31Published 1978Subjects: “...Geology, Stratigraphic Pennsylvanian....”
Book -
32
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33by Miser, Hugh D. (Hugh Dinsmore), 1884-1969Subjects: “...Geology, Stratigraphic Carboniferous....”
Published 1927
Book -
34by Gould, Charles Newton, 1868-1949Subjects: “...Geology, Stratigraphic Permian....”
Published 1926
Book -
35
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36
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37
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38
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39Published 1975Subjects: “...Geology, Stratigraphic Cambrian....”
Book -
40