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Analysis of Tipple and Delivered Samples of Coal. Collected During Fiscal Year 1969.
MISSING :29 pages
Bureau of Mines analyses, including heating value, ash-softening temperature, free-swelling index, and hardgrove grindability index, are given in this report for 6,325 samples of coal purchased by the government in fiscal 1969. The analyses are used to determine whether coal delivered to the government is of the quality guaranteed by the contractor and to provide data for evaluating future contract bids. (Out of print.)
IH; Report of Investigation;
Page last reviewed: April 12, 2019
Content source: National Institute for Occupational Safety and Health Education and Information Division