Stratigraphic sections and thickness maps of Lower Cretaceous and non-marine Jurassic rocks of central Wyoming
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Oil and Gas Investigation Chart↗
Geology topics
C.O. Johnson
Publications and source records attributed to C.O. Johnson.
Stratigraphic sections and thickness maps of Jurassic rocks in central Wyoming
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Oil and Gas Investigation Chart↗
Stratigraphic sections and thickness maps of Triassic rocks in central Wyoming
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Oil and Gas Investigation Chart↗