Production:0211

From ILMINES WIKI
year DMM company production cumulative type depth seam thickness method days emp
1904 E. S. Gray, No. 4 10,000 shaft 95 #7 6 RP 200
1905 40,000 shaft 95 #7 6 RP 275
1906 44,000 shaft 95 #7 6 RP 250
1907 91,000 shaft 95 #7 6 RP 241
1908 108,668 shaft 95 #7 5.5 RP 253
1909 91,169 shaft 95 #7 6 RP 210
1910 74,855 #6 6 RP 201
1911 2,345 shaft 95 #6 6 RP 180
1912 0 462,037
1913 Gray Coal Co. 18,710 18,710 surface 18 #7 6 102
480747