British Columbia Department of Mines and Petroleum Resources, 1963.
Soft cover. Near Fine. Bulletin No. 21. 42 pp, with diagrams and 8 photographic plates. Stapled binding. Minor wear to wraps, stamp on a mineral company on front cover, no internal markings. Includes a history of placer mining, characteristics of placer deposits, and details of many placer mining areas in British Columbia.
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