World atlas of commercial geology.
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| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington,
[publisher not identified] ;
1921.
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| Subjects: |
| Item Description: | At head of title: Department of the Interior. John Barton Payne, secretary. United States Geological Survey. George Otis Smith, director. |
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| Physical Description: | 2 volumes : maps, tables, charts. ; 27 x 35 cm. |