| 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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| 1939 | Dwonczyk | | Mine | | 1 | Jermyn 1 | Lackawanna | Dwonczyk Coal Co. | 10,924 | | 0 | 10,924 | 196 | 28 | Formerly No. 14 Drift Jermyn Colliery. | | 1940 | Dwonczyk | | Mine | | 1 | Jermyn 1 | Lackawanna | Dwonczyk Coal Co. | 24,359 | | 3,559 | 27,918 | 151 | 45 | Run of mine coal prepared at various breakers. | | 1941 | Dwonczyk | | Mine | | 1 | Jermyn 1 | Lackawanna | Dwonczyk Coal Co. | 29,280 | | 1,377 | 30,657 | 178 | 25 | Run of mine coal. | | 1942 | Dwonczyk | | Mine | | 1 | Jermyn 1 | Lackawanna | Dwonczyk Coal Co. | 26,423 | | 0 | 26,423 | 217 | 27 | Run of mine coal. | | 1943 | Dwonczyk | | Mine | | 1 | Jermyn 1 | Lackawanna | Dwonczyk Coal Co. | 32,240 | | 0 | 32,240 | 293 | 26 | Run of mine coal. | | 1944 | Dwonczyk | | Mine | | 1 | Jermyn 1 | Lackawanna | Dwonczyk Coal Co. | 36,990 | | 0 | 36,990 | 309 | 23 | | | 1945 | Dwonczyk | | Mine | | 1 | Jermyn 1 | Lackawanna | Dwonczyk Coal Co. | 18,378 | | 0 | 18,378 | 289 | 19 | | | 1946 | Dwonczyk | | Mine | | 1 | Jermyn 1 | Lackawanna | Dwonczyk Coal Co. | 17,678 | | 0 | 17,678 | 291 | 19 | Coal prepared at Powderly Breaker. | | 1947 | Dwonczyk | | Mine | | 1 | Jermyn 1 | Lackawanna | Dwonczyk Coal Co. | 19,095 | | 0 | 19,095 | 290 | 23 | Coal prepared at Powderly Breaker. | | 1948 | Dwonczyk | | Mine | | 1 | Jermyn 1 | Lackawanna | Dwonczyk Coal Co. | 18,767 | | 0 | 18,767 | 292 | 22 | Coal prepared at Powderly Breaker. | | 1949 | Dwonczyk | | Mine | | 1 | Jermyn 1 | Lackawanna | Dwonczyk Coal Co. | 13,675 | | 0 | 13,675 | 190 | 20 | Coal prepared at Powderly Breaker. | | 1950 | Dwonczyk | | Mine | | 1 | Jermyn 1 | Lackawanna | Dwonczyk Coal Co. | 665 | | 0 | 665 | 48 | 8 | Coal prepared at Powderly Breaker. | | 1951 | Dwonczyk | | Mine | | 1 | Jermyn 1 | Lackawanna | Dwonczyk Coal Co. | 6,816 | | 0 | 6,816 | 238 | 14 | Coal prepared at Powderly Breaker. | | 1952 | Dwonczyk | | Mine | | 1 | Jermyn 1 | Lackawanna | Dwonczyk Coal Co. | 6,935 | | 0 | 6,935 | 230 | 11 | Coal prepared at Powderly Breaker. | | 1953 | Dwonczyk | | Mine | Drift | 1 | Jermyn 1 | Lackawanna | Dwonczyk Coal Co. | 1,602 | | 0 | 1,602 | 156 | 9 | |
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