Early Silurian graptolites from southeastern Alaska and their correlation with graptolitic sequences in North America and the Arctic /
| Main Authors: | , |
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| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington :
U.S. Govt. Print. Off,
1970.
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| Series: | Geological Survey professional paper ;
653. |
| Subjects: |
| Physical Description: | iii, 51 pages, 10 unnumbered pages : illustrations, maps. ; 29 cm. |
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| Bibliography: | Bibliography: pages 46-48. |