Production:4156

From ILMINES WIKI
year DMM company production cumulative type depth seam thickness method days emp
1936 L. A. Coal Co. 800 800 ug 192 5
1937 L-63 Harold Shroyer Coal Co. 2,370 ug 177 5
1938 L-63 3,530 ug 186 6
1939 L-63 3,994 ug 190 4
1940 L-63 3,321 ug 162 6
1941 L-63 3,800 ug 175 6
1942 L-63 676 17,691 ug 26 6
18,491