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Title: Department of Commerce, United States Bureau of Mines Information Circular: Milling Methods and Costs of the Coniaurum Mines, (Ltd. ), Schumacher, Ontario [Information Circular 6541, October 1931]
Description: Washington, DC, Department of Commerce, United States Bureau of Mines. 1931. Wraps, 4to - Over 9 ¾" -12" Tall. Paperback, Light edge wear with moderately stained covers. Bent and creased corners. 5p. Good.

Keywords: Mining, Ore Milling, Geology, Geophysics

Price: US$ 25.00 Seller: Clausen Books
- Book number: AC2586

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