# Relationship history for MSHA mine 4406779

Current hierarchy: **SunCoke Energy Incorporated → Dominion Coal Corporation → Dominion No 31**

- 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

- **controller_controls_mine:** Sunoco, Inc. → Dominion No 31; 1979-10-29 to 2012-01-16; source msha-controller-operator-history
- **controller_controls_mine:** Mack  Stiltner et al → Dominion No 31; 1988-11-08 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jimmy D  Dye et al → Dominion No 31; 1994-04-13 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Dominion Coal Corporation → Dominion No 31; 1994-10-01 to 1995-01-18; source msha-controller-operator-history
- **controller_controls_operator:** Sunoco, Inc. → Dominion Coal Corporation; 1994-10-01 to 1995-01-18; source msha-controller-operator-history
- **operator_operates_mine:** J J Coal Company Inc → Dominion No 31; 1995-01-19 to 1995-08-24; source msha-controller-operator-history
- **controller_controls_operator:** Mack  Stiltner et al → J J Coal Company Inc; 1995-01-19 to 1995-08-24; source msha-controller-operator-history
- **operator_operates_mine:** Red Baron Inc → Dominion No 31; 1995-08-25 to 1996-02-13; source msha-controller-operator-history
- **controller_controls_operator:** Jimmy D  Dye et al → Red Baron Inc; 1995-08-25 to 1996-02-13; source msha-controller-operator-history
- **controller_controls_operator:** Rodney K  Roberts et al → Red Baron Inc; 1995-08-25 to 1996-02-13; source msha-controller-operator-history
- **operator_operates_mine:** Dominion Coal Corporation → Dominion No 31; 1996-02-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Sunoco, Inc. → Dominion Coal Corporation; 1996-02-14 to 2012-01-16; source msha-controller-operator-history
- **controller_controls_mine:** SunCoke Energy Incorporated → Dominion No 31; 2012-01-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** SunCoke Energy Incorporated → Dominion Coal Corporation; 2012-01-17 to 1995-01-18; 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