Actions for Some Middle Cenomanian (Upper Cretaceous) Acanthoceratid Ammonites from the western interior of the United States

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Some Middle Cenomanian (Upper Cretaceous) Acanthoceratid Ammonites from the western interior of the United States / by William A. Cobban

Author
Cobban, William A., 1916-2015
Published
Washington : Department of the Interior, U.S. Geological Survey, 1987.
Physical Description
1 online resource (iv, 28 pages) : illustrations, maps
Additional Creators
Geological Survey (U.S.)
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Series
Restrictions on Access
Free-to-read Unrestricted online access
Report Numbers
I 19.16:1445
Subject(s)
Note
"Ammonites of the genera Calycoceras, Acanthoceras, Plesiacanthoceras, and Protacanthoceras from the Frontier Formation and equivalent rocks are described and illustrated."
Also available online in PDF format from the U.S. Geological Survey Warehouse (http:/pubs.er.usgs.gov/).
Bibliography Note
Includes bibliographical references (pages 24-26) and index.
Action Note
committed to retain. Federal Depository Library Program (FDLP). For information on our retention commitment, please contact Microforms and Government Information.
View MARC record | catkey: 24139383