Mineral industry.
| Other Authors: | |
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| Format: | Government Document eBook |
| Language: | English |
| Published: |
Washington, D.C. :
[publisher not identified],
1932.
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| Series: | Mines Bur. Info. Circ. No. 6643
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| Subjects: | |
| Online Access: | Connect to the full text of this electronic document |
| Item Description: | [On importance and conditions, with data on production in U.S. and Canada] Record is based on bibliographic data in ProQuest U.S. Executive Branch Documents, 1910-1932. Reuse except for individual research requires license from ProQuest, LLC. Electronic resource. |
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| Physical Description: | 1 online resource (13 pages) |
| Format: | System requirements: PDF reader software. |