| OGI-01: South Dakota stratigraphic correlation chart |
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| OGI-02: Cross sections showing geophysical logs of Phanerozoic rocks in South Dakota |
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| OGI-02(A): Cross sections showing geophysical logs of Phanerozoic rocks in South Dakota |
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| OGI-02(B): Cross sections showing geophysical logs of Phanerozoic rocks in South Dakota |
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| OGI-02(C): Cross sections showing geophysical logs of Phanerozoic rocks in South Dakota |
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| OGI-02(D): Cross sections showing geophysical logs of Phanerozoic rocks in South Dakota |
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| OGI-02(E): Cross sections showing geophysical logs of Phanerozoic rocks in South Dakota |
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| OGI-02(F): Cross sections showing geophysical logs of Phanerozoic rocks in South Dakota |
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| OGI-02(G): Cross sections showing geophysical logs of Phanerozoic rocks in South Dakota |
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| OGI-02(H): Cross sections showing geophysical logs of Phanerozoic rocks in South Dakota |
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| OGI-02(I): Cross sections showing geophysical logs of Phanerozoic rocks in South Dakota |
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| OGI-02(J): Cross sections showing geophysical logs of Phanerozoic rocks in South Dakota |
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| OGI-02(K): Cross sections showing geophysical logs of Phanerozoic rocks in South Dakota |
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| OGI-02(L): Cross sections showing geophysical logs of Phanerozoic rocks in South Dakota |
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| OGI-02(M): Cross sections showing geophysical logs of Phanerozoic rocks in South Dakota |
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| OGI-02(N): Cross sections showing geophysical logs of Phanerozoic rocks in South Dakota |
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| OGI-02(O): Cross sections showing geophysical logs of Phanerozoic rocks in South Dakota |
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| OGI-02(P): Cross sections showing geophysical logs of Phanerozoic rocks in South Dakota |
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