# Relationship history for MSHA mine 1516067

Current hierarchy: **Chandler George → Fcdc Coal Inc → Emmanuel #6**

- 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:** Burke John Jr → Emmanuel #6; 1986-06-03 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Milco Coal Inc → Emmanuel #6; 1987-06-01 to 1988-02-29; source msha-controller-operator-history
- **controller_controls_mine:** Tussey Frank → Emmanuel #6; 1987-06-01 to 1988-02-29; source msha-controller-operator-history
- **controller_controls_operator:** Tussey Frank → Milco Coal Inc; 1987-06-01 to 1988-02-29; source msha-controller-operator-history
- **operator_operates_mine:** Coker Coal Inc → Emmanuel #6; 1988-03-01 to 1988-10-06; source msha-controller-operator-history
- **controller_controls_mine:** Hall Claude T & Wesley Gearheart → Emmanuel #6; 1988-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hall Claude T & Wesley Gearheart → Coker Coal Inc; 1988-03-01 to 1988-10-06; source msha-controller-operator-history
- **operator_operates_mine:** Bee Co Energies Inc → Emmanuel #6; 1988-10-07 to 1989-07-31; source msha-controller-operator-history
- **controller_controls_mine:** Larry  Thornsberry et al → Emmanuel #6; 1988-10-07 to 1989-07-31; source msha-controller-operator-history
- **controller_controls_operator:** Larry  Thornsberry et al → Bee Co Energies Inc; 1988-10-07 to 1989-07-31; source msha-controller-operator-history
- **operator_operates_mine:** Emmanuel Coal Company Inc → Emmanuel #6; 1989-08-01 to 1990-06-25; source msha-controller-operator-history
- **controller_controls_operator:** Burke John Jr → Emmanuel Coal Company Inc; 1989-08-01 to 1990-06-25; source msha-controller-operator-history
- **operator_operates_mine:** Fcdc Coal Inc → Emmanuel #6; 1990-06-26 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Chandler George → Emmanuel #6; 1990-06-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Chandler George → Fcdc Coal Inc; 1990-06-26 to current/open; source msha-controller-operator-history