Number | Name | Date | Kind |
---|---|---|---|
3777004 | Lankenau et al. | Dec 1973 | |
3808306 | Smith et al. | Apr 1974 | |
4017309 | Johnson | Apr 1977 |
Entry |
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Merritt, "The Extractive Metallurgy of Uranium", pp. 112-119, Colorado School of Mines Research Inst. (1971). |
Zambrana et al, "Reprocessing of Uranium Tailings by Heap Leaching", 1980 Mining Yearbook, pp. 141-149, Colorado Mining Association (1980). |
McLean, "The Technique of Acid Pagging and Curing of Ores", Atomic Energy Div., Explosives & Mining Chemicals Dept., American Cyanamide Co., (Jul. 27, 1954), 13 pp. plus 3 apendices. |