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Cost estimation handbook for small placer mines.
Washington, DC: U.S. Department of the Interior, Bureau of Mines, IC 9170, 1987 Jan; :1-94
In 1974 the Bureau of Mines began a systematic assessment of U.S. mineral supplies under its minerals availability program. To aid in this program, a technique was developed to estimate capital and operating costs associated with various mining methods. Subsequently, it was noted that few provisions were made for estimating the costs of small-scale mining and milling methods typically associated with placer mining. Accordingly, this publication presents a method for estimating capital and operating costs associated with the exploration, mining, and processing of placer deposits.
Mining-industry; Mineral-processing; Placer-mining
IH; Information Circular
Washington, DC: U.S. Department of the Interior, Bureau of Mines, IC 9170
Page last reviewed: April 12, 2019
Content source: National Institute for Occupational Safety and Health Education and Information Division