Geologic map and coal sections of the Birney Quadrangle, Rosebud County, Montana
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Coal of low-volatile to high-volatile A bituminous rank is the principal developed mineral resource in the Jewell Ridge quadrangle. The coal beds in the Jewell Ridge quadrangle contain total estimated original resources of 1,519 million tons. Of this total, 108 million tons have been mined or lost in mining, leaving 1,411 million tons of remaining resources. Table 1 lists coal resource estimates for all coal beds in the quadrangle.
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