From Forward: "The value of this survey of the carbonizing properties of American coals by a standard method lies in the comparability of the results on different coals. It must recognized that no standard laboratory method of carbonization, even on a large unit, can yield results that exactly duplicate those obtained in ovens and retorts. The commercial results vary with the type of oven or retort. Allowance must be made for such differences in interpreting the BM-AGA test results in terms of commercial plants."
From Introduction and Summary: "This paper gives results of an investigation of the composition and carbonizing properties of coals from Beckley bed, Caretta No.5 mine, Susanna, McDowell County, and Glen Rogers No. 2 mine, Glen Rogers, Wyoming County, W. Va.
Report issued by the U.S. Bureau of Mines evaluating the reserves of coking coal in Wyoming County, West Virginia. The report also lists properties of coal and coal blends from the area. This report includes maps and tables.
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