Stratigraphic distribution of some pollen types from the Campanian and lower Maestrichtian rocks (Upper Cretaceous) of the Middle Atlantic States /
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| Format: | Government Document Book |
| Language: | English |
| Series: | Geological Survey professional paper ;
977. |
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| Physical Description: | ii, 18 pages : illustrations, 4 plates ; 29 cm. |
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| Bibliography: | Bibliography: pages 17-18. |