| Year | Operation Name | Number | Type | Opening | District | City | County | Company Name | Railroad Shipments (tons) | Railroad to Mine | Truck Shipments (tons) | Total Production (tons) | Days Worked | Employees | Notes |
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| 1929 | M&M | | Washery | | 7 | | Luzerne | M. & M. Coal Co. | 54,000 | Erie | 0 | 54,000 | 235 | 38 | | | 1930 | Clifford | | Washery | | 7 | | Luzerne | M. & M. Coal Co. | 78,071 | Erie | 0 | 81,887 | 242 | 36 | | | 1941 | M&M | | Mine | | 2 | | Lackawanna | M. & M. Coal Co. | 34,841 | | 39,143 | 73,984 | 207 | 30 | | | 1942 | M&M | | Mine | | 2 | | Lackawanna | M. & M. Coal Co. | 8,726 | | 0 | 8,726 | 236 | 16 | | | 1943 | M&M | | Mine | | 1 | | Lackawanna | M. & M. Coal Co. | 6,782 | | 0 | 6,782 | 286 | 13 | Run of mine coal. Transferred from District 2. | | 1944 | M&M | | Mine | | 1 | | Lackawanna | M. & M. Coal Co. | 6,261 | | 0 | 6,261 | 301 | 8 | Run of mine coal. | | 1945 | M&M | | Mine | | 1 | | Lackawanna | M. & M. Coal Co. | 5,536 | | 0 | 5,536 | 277 | 9 | Run of mine coal. | | 1946 | M&M | | Mine | | 1 | Simpson 2 | Lackawanna | M. & M. Coal Co. | 4,033 | | 0 | 4,033 | 273 | 11 | Coal prepared at Bolands and Powderly breakers. | | 1947 | M&M | | Mine | | 1 | Simpson 2 | Lackawanna | M. & M. Coal Co. | 5,139 | | 0 | 5,139 | 255 | 9 | Coal prepared at Powderly Breaker. | | 1948 | M&M | | Mine | | 1 | Simpson 2 | Lackawanna | M. & M. Coal Co. | 4,173 | | 0 | 4,173 | 282 | 6 | Coal prepared at Powderly Breaker. | | 1949 | M&M | | Mine | | 1 | Simpson 2 | Lackawanna | M. & M. Coal Co. | 13,049 | | 0 | 13,049 | 230 | 20 | Includes 12,085 tons stripping coal. Coal prepared at Powderly Breaker. |
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