National Geologic Map Database
General Information
- Title: Biostratigraphy of the Umpqua Group, southwestern Oregon
- Author(s): Thoms, R.E.
- Publishing Organization: Pacific Section, American Association of Petroleum Geologists
- Series and Number: Annual Meeting of Pacific Sections of the AAPG, SEG, and SEPM, 50th, Long Beach, CA, 1975 v. 50 [p. 513-562]
- Larger Work: Weaver, D.W., Hornaday, G.R., and Tipton, Ann, eds., Paleogene symposium and selected technical papers [proceedings]; conference on future energy horizons of the Pacific Coast
- Publication Date: 1975
- Cross Section: None
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Geologic units referred to in Geolex
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- American Association of Petroleum Geologists, Pacific Section
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- Bakersfield, CA 93302
* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.