| 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 |
|---|
| 1945 | Mazzoni | | Mine | | 1 | | Lackawanna | Mazzoni Coal Co. | 9,390 | | 0 | 6,390 | 215 | 9 | Run of mine coal. |
| 1946 | Mazzoni | | Mine | | 1 | Jessup 2 | Lackawanna | Mazzoni Coal Co. | 8,520 | | 0 | 8,520 | 268 | 8 | Coal prepared at Powderly Breaker. |
| 1947 | Mazzoni | | Mine | | 1 | Jessup 2 | Lackawanna | Mazzoni Coal Co. | 14,341 | | 0 | 14,341 | 235 | 34 | Coal prepared at Powderly Breaker. |
| 1948 | Mazzoni | | Mine | | 1 | Jessup 2 | Lackawanna | Mazzoni Coal Co. | 16,367 | | 0 | 16,367 | 261 | 26 | Coal prepared at Powderly Breaker. |
| 1949 | Mazzoni | | Mine | | 1 | Jessup 2 | Lackawanna | Mazzoni Coal Co. | 16,209 | | 0 | 16,209 | 196 | 29 | Coal prepared at Powderly Breaker. |
| 1950 | Mazzoni | | Mine | | 1 | Jessup 2 | Lackawanna | Mazzoni Coal Co. | 20,016 | | 0 | 20,016 | 236 | 28 | Coal prepared at Powderly Breaker. |
| 1951 | Mazzoni | | Mine | | 1 | Jessup 2 | Lackawanna | Mazzoni Coal Co. | 17,949 | | 0 | 17,949 | 224 | 21 | Coal prepared at Powderly Breaker. |
| 1952 | Mazzoni | | Mine | | 1 | Jessup 2 | Lackawanna | Mazzoni Coal Co. | 20,151 | | 0 | 20,151 | 227 | 25 | Coal prepared at Powderly Breaker. |
| 1953 | Mazzoni | | Mine | Slope | 1 | Jessup 2 | Lackawanna | Mazzoni Coal Co. | 18,718 | | 0 | 18,718 | 199 | 23 | |
Note 2: From a list of Anthracite Operators. This may not be the operation location.