Show MA amy 11 1 OP tt MILLIO MILLION COIL COM MIX the total number of men employed la in the coal mines of the united i tates in n 1911 according to the united states geological survey was of whom were era am aloyed in the anthracite mines of pennsylvania and la in the bt bl tOnta tius anil and lignite mines the anthracite minere miners averaged more sori ting time than thet bituminous Mi gineris in laere neris working two hundred orty forty wix days two hundred eleven days for the bituminous miners the average production for each man employed waa was five live hundred twenty tour tone tons in the anthracite minei an exceptionally large tonnage and seven hundred thirty eight tons in the bituminous mines in moat most of the bituminous mine mines of th united states the eight hour working day prevails pr evalla ro 1911 out of a total of emp employee loyes in the bituminous coal minea mines worked in mines that were operated eight boura hours a day worked in that were operated nine ulna boura bourn a day and worked in minee mines operated tea ton hours a day |