Callovian (Jurassic) ammonites from the United States and Alaska. : Descriptions and illustrations of cephalopods of Late Jurassic age.
| Main Author: | |
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| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington :
U.S. Govt. Print. Off,
1953.
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| Series: | Professional paper (Geological Survey (U.S.)) ;
249. |
| Subjects: |
| Item Description: | Issued in pts. A and B, each pt. with a special title page. |
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| Physical Description: | 2 volumes (108 pages) : 55 plates, maps, diagrams, tables. ; 29 cm. |
| Bibliography: | Includes bibliographies. |