Production:3735

From ILMINES WIKI
year DMM company production cumulative type depth seam thickness method days emp
1928 Alfred L. Delvalley 400 ug 100 4
1929 4,275 ug 195 6
1930 0 4,675 ug
1931 William Devall & R. S. Wyatt 4,683 4,683 ug 285 8
1932 R. S. Wyatt 2,399 2,399 ug 200 5
1933 Del Valley Coal Co., No. 2 1,850 ug 100 8
1934 128 ug 43 2
1935 160 ug 30 2
1936 200 2,338 ug 40 4
1937 L-115 Markunas Coal Co. 79 ug 30 4
1938 L-115 983 ug 156 4
1939 L-115 657 1,719 ug 75 4
15,814