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Geologic reconnaissance of the Antelope-Ashwood area North-Central Oregon : with emphasis on the John day formation of late oligocene and early miocene age / by Dallas L. Peck.

By: PECK, Dallas L.
Material type: materialTypeLabelBookSeries: Geological Survey Bulletin; 1161-D.Publisher: Washington : United States Government Printing Office, 1964Description: 26 p. + map. --.Content type: Texto (visual) Media type: sin mediación Subject(s): Estratigrafía | Mioceno | Oligoceno | Oregon
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