The Permian in Oregon, US |
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Paleontology and geologyOregon and the rest of the North American continent lay in tropical regions during the Permian. Oregon itself consisted of a series of volcanic islands that were part of an |
The Permian in Oregon, US |
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Paleontology and geologyOregon and the rest of the North American continent lay in tropical regions during the Permian. Oregon itself consisted of a series of volcanic islands that were part of an |