Geologic names of the United States through 1975 : a computer list of geologic names in use in the United States and the major elements necessary for their definition /
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| Format: | Government Document Book |
| Language: | English |
| Series: | Geological Survey bulletin ;
1535. |
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| Physical Description: | iii, 463 pages ; 24 cm. |
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| Bibliography: | Bibliography: page 12. |