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stripping ratio coal mining comp coal russian

stripping ratio coal mining comp coal russian

A prefeasibility study of the initial mining area found the coal to be a highquality highvolatility sub bituminous rank ASTM thermal coal that is economically mineable with a 181 strip ratio The average coal assay for the mining area is gross calorific value 5040 kcalkg with low ash at 113 and very low sulfur of 040 all on the as

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