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World cobalt production and location of mines (estimated production 1942)
- [Washington, D.C.] : Office of Strategic Services, Branch of Research and Analysis, 1943.
United States. Board of Economic Warfare. Metals and Minerals Branch. United States. Office of Strategic Services. Research and Analysis Branch. Map no.2070.
- Mines and mineral resources, Cobalt, and World—Maps
- Call number:
- G3201.H2.1943.O3S7 (a)
- Held by: