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- [1] BY-PRODUCT RECOVERY FROM COPPER-NICKEL BEARING DULUTH GABBRO RESOURCES AND CONSERVATION, 1982, 9 (1-4): : 105 - 117
- [2] ENVIRONMENTAL LEACHING BEHAVIOR OF COPPER-NICKEL BEARING DULUTH GABBRO AND FLOTATION TAILINGS JOURNAL OF METALS, 1982, 35 (12): : A74 - A74
- [3] GEOLOGIC SETTING OF THE COPPER-NICKEL PROSPECT IN THE DULUTH GABBRO NEAR ELY, MINNESOTA TRANSACTIONS OF THE AMERICAN INSTITUTE OF MINING AND METALLURGICAL ENGINEERS, 1952, 193 (07): : 699 - 702
- [4] PLATINUM GROUP MINERALS AND THEIR RECOVERIES FROM COPPER-NICKEL BEARING DULUTH GABBRO JOURNAL OF METALS, 1984, 36 (12): : 105 - 105
- [6] PLATINUM GROUP AND ARSENIDE MINERALS IN COPPER-NICKEL SULFIDE BEARING DULUTH GABBRO AND THEIR FLOTATION RECOVERIES. Transactions of the American Institute of Mining, Metallurgical, and Petroleum Engineers, Society, 1986, 280 (pt A): : 1983 - 1988