Jurassic (Oxfordian and Late Callovian) ammonites from the western interior region of the United States /
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| Corporate Author: | |
| Format: | Government Document Book |
| Language: | English |
| Published: |
[Reston, Va.] :
U.S. Dept. of the Interior, Geological Survey ;
1982.
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| Series: | Geological Survey professional paper ;
1232. |
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| Item Description: | Includes index. |
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| Physical Description: | iv, 44 pages, 26 pages of plates : illustrations, 1 map ; 29 cm. |
| Bibliography: | Bibliography: pages 41-42. |