The foraminiferal genus Orbitolina in North America ; a study of the genus Orbitolina, its type species, morphology, and stratigraphic and geographic distribution in North America.
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| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington :
U.S. Govt. Print. Off,
1960.
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| Series: | Professional paper (Geological Survey (U.S.)) ;
333. |
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| Physical Description: | 52 pages : illustrations, maps, diagrams (3 folded in pocket), tables. ; 29 cm. |
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| Bibliography: | Bibliography: pages 45-50. |