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COAL AS A WOKLD POWER production
Origin and constituents of coal Anthracite coal
Estimate of world coal reserves 13 Forest of Dean
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aggregated American coal amount anthracite approximately average Basin bituminous coal briquets Britain British coal British thermal units brown coal bulk bunker by-product calorific value Carboniferous cartel cent coal consumption coal field coal imports coal industry coal market coal measures coal mines coal occurs coal production coal requirements coal reserves Coal Resources coal trade coal-mining industry coke collieries commercial competition considerable consumers countries Czechoslovakia demand deposits district domestic economic estimated feet figures Fixed carbon foreign coal France fuel oil Germany imports of coal increased lignite long tons mainly manufacture metric tons Mineral moisture Netherlands operations peat period Poland port postwar pre-war Province purchases quantities railways region Reports of American Reports of representatives semibituminous shipments shipped sources South Africa South Wales square miles steam coal subbituminous sulphur supply syndicate thickness tion tonnage tons of coal total output Upper Silesia utilized volatile matter World