| U.S. Bureau of Mines Publications, Alaska | |
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U.S. Bureau of Mines Information Circular 7926 |
| Title: | Placer Mining in Alaska: Methods and Costs at Operations Using Hydraulic and Mechanical Excavation Equipment with Nonfloating Washing Plants | |
| Author: | Bruce I. Thomas, D.J. Cook, E. Wolff and W.H. Kerns | |
| Year: | 1959 | |
| Pages: | 34 pp. | |
| Availability: | Contact librarian for availability |
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