| 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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| 1934 | Volpe | | Mine | Slope 1 | 7 | | Lackawanna | Volpe Coal Co. | 41,552 | | 0 | 41,552 | 125 | 98 | | | 1935 | Hennigan | | Mine | Slope | 7 | | Lackawanna | Volpe Coal Co. | 121,000 | | 0 | 121,000 | 251 | 155 | | | 1936 | Volpe | | Mine | Slope | 7 | | Lackawanna | Volpe Coal Co. | 145,658 | | 0 | 145,658 | 278 | 145 | | | 1937 | Hennigan | | Mine | Slope | 7 | | Lackawanna | Volpe Coal Co. | 107,946 | | 0 | 107,946 | 192 | 112 | | | 1938 | Hennigan | | Mine | Slope | 7 | | Lackawanna | Volpe Coal Co. | 4,129 | | 0 | 4,129 | 200 | 40 | Coal prepared at Volpe Breaker, 7th District. |
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