BITUMINOUS COAL, OR

COAL, containing more volatile ents than ‘hard’ coal, or anthracite, _ and therefore used for the manufacture of i lumina ting gas. It contains 50 to 75 per cent of fixed carbon, from 25 to 30 per cent of volatile and carbons. It burns with a long, smoky, yellow flame. In appearance it is a dull black, lacking the sheeny lustre town, of anthracite, easily breaking into and cubes or plates. It is an undesirable 40,000. fuel for the home, on account of its E.), smoky character, but is much used by see. large manufacturing or power plants. 1734, When baked in a closed oven it turns title into coke. There are about 250,000 square miles of bituminous coal fields in the United States, divided between Pennsylvania and West Virginia, in the Austria, Appal a chi an Mountains, and in the there. Mi i ippi Basin, in Illinois. Accord of ing to the U.S. Census taken in 1919, States there were then 8,282 bituminous coal in mines in the United States; representing the an invested capital of $1,904,450,123. Astor The total production in that year was New 460,425,836 tons, as compared to the 88,170,508 tons of anthracite mined.