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Grande Ronde volcano
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Author
Murphy, Thomas M.
Remove constraint Author: Murphy, Thomas M.
Subject
Geology -- Oregon -- Clatsop County
Remove constraint Subject: Geology -- Oregon -- Clatsop County
Material Types
Article
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Database
ScholarsArchive
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1. [Article] The geology of the Nicolai Mountain-Gnat Creek area, Clatsop County, northwestern Oregon
Twelve rock units, from upper Eocene to middle Miocene are exposed in the Nicolai Mountain-Gnat Creek area. They are, from oldest to youngest: Pittsburg Bluff Formation; Oswald West mudstone; Big Creek ...Citation