The smoke resulting from the use of soft coal has given a drab and dingy colour-tone to the buildings.
Some kinds of soft coal form "clinkers," and these catch in the grate.
The coal is soft coal, and is sold by retail at from six to seven cents a bushel.
Suburbs fine, but the city dirty from the soft coal they burn.
During the great coal strike in Pennsylvania in 1903, soft coal rates and hard coal rates were sadly disturbed.
Well, send us some soft coal, wood, anything to keep us warm.
The most of the coal is bituminous, or soft coal, used principally in generating steam and for manufacturing gas and coke.
The bunkers contained a small portion of soft coal for this purpose.
The chief sources of this valuable variety of coal are the Newcastle and Wigan districts, b. Cherry coal or soft coal.
They forgot that their lungs were full of soft coal dirt, that their hands were grimy, and their faces, too.