Chemical analyses, correlations, and ages of upper Pliocene and Pleistocene ash layers of east-central and southern California /
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| Format: | Government Document Book |
| Language: | English |
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[Reston, Va.] :
U.S. Dept..of the Interior, Geological Survey ;
1984.
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| Series: | Geological Survey professional paper ;
1293. |
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| Physical Description: | iv, 40 pages : illustrations, 1 map ; 29 cm. |
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| Bibliography: | Bibliography: pages 36-38. |