# Relationship history for MSHA mine 4403763

Current hierarchy: **SunCoke Energy Incorporated → Dominion Coal Corporation → Dominion No 11 Mine**

- 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:** Mullins Harold → Dominion No 11 Mine; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** S & M Coal Company → Dominion No 11 Mine; 1974-01-01 to 1983-01-17; source msha-controller-operator-history
- **controller_controls_operator:** Mullins Harold → S & M Coal Company; 1974-01-01 to 1983-01-17; source msha-controller-operator-history
- **controller_controls_mine:** Sunoco, Inc. → Dominion No 11 Mine; 1979-10-29 to 2012-01-16; source msha-controller-operator-history
- **operator_operates_mine:** S & M Coal Company Inc → Dominion No 11 Mine; 1983-01-18 to 1987-10-07; source msha-controller-operator-history
- **controller_controls_mine:** Tolbert P  Mullins → Dominion No 11 Mine; 1983-01-18 to 1987-10-07; source msha-controller-operator-history
- **controller_controls_operator:** Tolbert P  Mullins → S & M Coal Company Inc; 1983-01-18 to 1987-10-07; source msha-controller-operator-history
- **operator_operates_mine:** Dominion Coal Corporation → Dominion No 11 Mine; 1987-10-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Sunoco, Inc. → Dominion Coal Corporation; 1987-10-08 to 2012-01-16; source msha-controller-operator-history
- **controller_controls_mine:** SunCoke Energy Incorporated → Dominion No 11 Mine; 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