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Notes on Placer-mining in British Columbia for the Information of the Individual Miner by Officers of the Department. Printed by Authority of the Legislative Assembly

British Columbia. Department of Mines and Petroleum Resources

出版	C. F. Banfield, printer to the King, 1937
URL	http://books.google.com.hk/books?id=eOdCAQAAIAAJ&hl=&source=gbs_api