# Relationship history for MSHA mine 4402239

Current hierarchy: **SunCoke Energy Incorporated → Dominion Coal Corporation → Dominion No 2**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** Alfred Whited Coal Company Inc → Dominion No 2; 1950-01-01 to 1981-07-07; source msha-controller-operator-history
- **controller_controls_mine:** Whited Alfred → Dominion No 2; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Whited Alfred → Alfred Whited Coal Company Inc; 1950-01-01 to 1981-07-07; source msha-controller-operator-history
- **controller_controls_mine:** Sunoco, Inc. → Dominion No 2; 1979-10-29 to 2012-01-16; source msha-controller-operator-history
- **controller_controls_mine:** Collins Ted → Dominion No 2; 1980-08-13 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Mark Mining Company Inc → Dominion No 2; 1981-07-08 to 1984-09-04; source msha-controller-operator-history
- **controller_controls_mine:** Van Meter H C → Dominion No 2; 1981-07-08 to 1984-09-04; source msha-controller-operator-history
- **controller_controls_operator:** Van Meter H C → Mark Mining Company Inc; 1981-07-08 to 1984-09-04; source msha-controller-operator-history
- **operator_operates_mine:** Diamondback Mining Company Inc → Dominion No 2; 1984-09-05 to 1986-11-30; source msha-controller-operator-history
- **controller_controls_mine:** Taylor James → Dominion No 2; 1984-09-05 to 1986-11-30; source msha-controller-operator-history
- **controller_controls_operator:** Taylor James → Diamondback Mining Company Inc; 1984-09-05 to 1986-11-30; source msha-controller-operator-history
- **operator_operates_mine:** Diamondback Mining Company Inc → Dominion No 2; 1986-12-01 to 1987-02-01; source msha-controller-operator-history
- **controller_controls_operator:** Collins Ted → Diamondback Mining Company Inc; 1986-12-01 to 1987-02-01; source msha-controller-operator-history
- **operator_operates_mine:** Dominion Coal Corporation → Dominion No 2; 1987-02-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Sunoco, Inc. → Dominion Coal Corporation; 1987-02-02 to 2012-01-16; source msha-controller-operator-history
- **controller_controls_mine:** SunCoke Energy Incorporated → Dominion No 2; 2012-01-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** SunCoke Energy Incorporated → Dominion Coal Corporation; 2012-01-17 to current/open; source msha-controller-operator-history