Democratic Sentinel, Volume 22, Number 39, Rensselaer, Jasper County, 8 October 1898 — Our Coal Mines. [ARTICLE]

Our Coal Mines.

The United States coal mines give employment to nearly a quarter of a million v men, working 193 days each year. It is estimated that each man produces 721 gross tons of coal per annum, or about 807 net tons, an average for a day of a little more than four net tons. This coal comes from 2,599 different mines, exclusive of the anthracite mines.