Middle Jurassic (Bajocian) ammonites from eastern Oregon: Bajocian ammonites of eastern Oregon greatly resemble those of Alaska and Europe, indicate marine connections with Europe, and permit accurate zonal dating in the Pacific Coast region
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Bibliographic Details
Main Author: Imlay, Ralph Willard (Author)
Format: Book
Language:Undetermined
Published: Washington, DC United States Gov. Print. Off. 1973
Series:Geological Survey professional paper 756
Physical Description:IV, 100 S., [47] Bl. Ill., graph. Darst., Kt. 1 Kt.-Beil.

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Interlibrary loan Place Request Caution: Not in THWS collection!