The Bishop Ash Bed (Middle Pleistocene) and some older (Pliocene and Pleistocene) chemically and mineralogically similar ash beds in California, Nevada, and Utah /
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| Format: | Government Document Book |
| Language: | English |
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[Reston, Va.?] : Denver, CO :
Dept. of the Interior, U.S. Geological Survey ; For sale by the Books and Open-File Reports Section,
1988.
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| Series: | U.S. Geological Survey bulletin ;
1675. |
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