| 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 |
|---|
| 1948 | West Exeter | | Breaker | | 9 | Wyoming 2 | Luzerne | West Exeter Coal Co. | 13,757 | | 1,110 | 17,186 | 257 | 36 | Coal prepared at Prospect Breaker. |
| 1949 | West Exeter | | Breaker | | 9 | | Luzerne | West Exeter Coal Co. | 28,600 | | 3,881 | 38,671 | 200 | 51 | Coal prepared at Prospect Breaker. |
| 1950 | West Exeter | | Mine | | 9 | | Luzerne | West Exeter Coal Co. | 60,885 | | 0 | 60,885 | 222 | 60 | Coal prepared at Prospect Breaker. |
| 1951 | West Exeter | | Mine | | 9 | | Luzerne | West Exeter Coal Co. | 26,710 | | 0 | 26,710 | 237 | 28 | Coal prepared at Prospect Breaker. |
| 1952 | West Exeter | | Mine | | 9 | | Luzerne | West Exeter Coal Co. | 21,818 | | 112 | 22,831 | 183 | 34 | Coal prepared at Prospect Breaker. |
| 1953 | West Exeter | | Mine | Slope | 9 | | Luzerne | West Exeter Coal Co. | 18,224 | | 0 | 18,224 | 183 | 27 | |
| 1954 | West Exeter | | Mine | | 9 | | Luzerne | West Exeter Coal Co. | 19,832 | | 0 | 19,832 | 157 | 38 | Coal prepared at multiple breakers. |
| 1955 | West Exeter | | Colliery | | 9 | | Luzerne | West Exeter Coal Co. | 25,199 | | 0 | 25,199 | 168 | 35 | Coal prepared at Russell and Morgan breakers. |
| 1956 | West Exeter | | Colliery | | 9 | | Luzerne | West Exeter Coal Co. | 3,664 | | 254 | 5,852 | 64 | 25 | Coal prepared at Russell and Morgan breakers. |
Note 2: From a list of Anthracite Operators. This may not be the operation location.