| 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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| 1942 | Dewees | | Stripping | | 11 | | Luzerne | Dewees Bros. | 5,027 | | 0 | 5,027 | 97 | 9 | Coal prepared at Loree Colliery. | | 1943 | Dewees | | Stripping | | 12 | | Luzerne | Dewees Bros. | 13,690 | | 0 | 13,690 | 238 | 6 | | | 1944 | Loree | | Stripping | | 12 | Larksville 1 | Luzerne | Dewees Bros. | 15,350 | | 0 | 15,350 | 294 | 11 | | | 1945 | Dewees | | Stripping | | 1 | | Lackawanna | Dewees Bros. | 11,147 | | 0 | 11,147 | 141 | 15 | | | 1945 | Loree | | Stripping | | 12 | Larksville 1 | Luzerne | Dewees Bros. | 31,322 | | 0 | 31,322 | 249 | 13 | Coal prepared at Loree Colliery. | | 1946 | Dewees | | Stripping | | 1 | | Lackawanna | Dwees Bros Coal Co. | 35,598 | | 0 | 35,598 | 295 | 17 | Coal prepared at Powderly Breaker. | | 1946 | Loree | | Stripping | | 12 | Larksville 1 | Luzerne | Dewees Bros. | 25,376 | | 0 | 25,376 | 274 | 11 | Coal prepared at Loree Breaker. | | 1947 | Dewees | | Stripping | | 1 | | Lackawanna | Dewees Bros. Coal Co. | 18,952 | | 0 | 18,952 | 292 | 20 | Coal prepared at Powderly Breaker. | | 1947 | Loree | | Stripping | | 12 | Larksville 1 | Luzerne | Dewees Bros. | 15,019 | | 0 | 15,019 | 259 | 10 | Coal prepared at Loree Breaker. | | 1948 | Dewees | | Stripping | | 1 | | Lackawanna | Dewees Bros. Coal Co. | 33,429 | | 0 | 33,429 | 298 | 20 | Coal prepared at Powderly Breaker. | | 1948 | Loree | | Stripping | | 12 | Larksville 1 | Luzerne | Dewees Bros. | 0 | | 0 | 0 | 257 | 11 | Coal prepared at Loree Breaker. | | 1949 | Dewees | | Stripping | | 1 | | Lackawanna | Dewees Bros. | 23,695 | | 0 | 23,695 | 263 | 37 | Coal prepared at Powderly Breaker. | | 1950 | Loree | | Stripping | | 12 | Larksville 1 | Luzerne | Dewees Bros. | 0 | | 0 | 0 | 276 | 13 | Included in Loree production numbers. | | 1951 | Dewees | | Stripping | | 1 | | Lackawanna | Dewees Bros. Coal Co. | 72,469 | | 0 | 72,469 | 284 | 47 | Coal prepared at Powderly Breaker. | | 1951 | Loree | | Stripping | | 12 | Larksville 1 | Luzerne | Dewees Bros. | 0 | | 0 | 0 | 224 | 21 | Included in Loree production numbers. | | 1952 | Dewees | | Stripping | | 1 | | Lackawanna | Dewees Bros. Coal Co. | 71,115 | | 0 | 71,115 | 281 | 55 | Coal prepared at Powderly Breaker. | | 1952 | Loree | | Stripping | | 12 | Larksville 1 | Luzerne | Dewees Bros. | 0 | | 0 | 0 | 135 | 17 | 15,191 tons stripping included in Loree production numbers. | | 1953 | Dewees | | Stripping | | 1 | | Lackawanna | Dewees Bros. Coal Co. | 68,184 | | 0 | 68,184 | 208 | 54 | | | 1954 | Dewees | | Stripping | | 1 | | Lackawanna | Dewees Bros. | 48,768 | | 0 | 48,768 | 240 | 22 | Coal prepared at Powderly Breaker. | | 1964 | Simpson | 93-1 | Stripping | | 1 | Fell Twp. | Lackawanna | Dewees Bros. | 0 | | 0 | 0 | 86 | 4 | |
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