U.S. Bureau of Mines Publications, Alaska | |
U.S. Bureau of Mines Open File Report 34-91 |
Title: | Investigation of Tin-Rare Earth Element Placers in the Ray River Watershed | |
Author: | James C. Barker | |
Year: | 1992 | |
Pages: | 63 pp., 12 figs. | |
Availability: | OFR 34-91 (PDF format, 4,823 Kb) |
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