|U.S. Bureau of Mines Publications, Alaska|
U.S. Bureau of Mines Information Circular 9105
|Title:||A Columbium-Bearing Regolith on Upper Idaho Gulch, Near Tofty, Alaska|
|Author:||J. Dean Warner, C.L. Mardock, and D.C. Dahlin|
|Availability:||IC 9105 (PDF format, 3,244 Kb)|
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