Iceland spar and optical fluorite [microform]
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| Other Authors: | |
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| Format: | Government Document Microfilm Book |
| Language: | English |
| Published: |
Washington, D.C. :
[publisher not identified],
1931.
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| Series: | Information circular (United States. Bureau of Mines) ;
6468. |
| Subjects: |
| Item Description: | Reuse of record except for individual research requires license from LexisNexis Academic & Library Solutions. [On characteristics, sources, and uses] |
|---|---|
| Physical Description: | 17 pages ; cm. |
| Reproduction Note: | Microfiche. |
| Citation/References Note: | CIS Index to U.S. Executive Branch Documents, 1910-1932 Part 2. |