Field instrumentation studies of earth tremors and their geologic environments in central Utah coal mining areas /
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| Format: | Government Document Book |
| Language: | English |
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Washington :
U.S. Govt. Print. Off,
1971.
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| Series: | Geological Survey professional paper ;
693. |
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| Physical Description: | iii, 20 pages : illustrations ; 30 cm. |
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| Bibliography: | Bibliography: page 20. |