# Relationship history for MSHA mine 0102628

Current hierarchy: **Myers Brenda → Baron Coal Company Inc → Mccarne Mountain 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:** Fortner James E → Mccarne Mountain Mine; 1984-04-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** White Oak Mining Company Inc → Mccarne Mountain Mine; 1985-05-01 to 1987-08-27; source msha-controller-operator-history
- **controller_controls_operator:** Fortner James E → White Oak Mining Company Inc; 1985-05-01 to 1987-08-27; source msha-controller-operator-history
- **controller_controls_mine:** Myers Brenda → Mccarne Mountain Mine; 1986-07-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Baron Coal Company Inc → Mccarne Mountain Mine; 1987-08-28 to 1988-02-28; source msha-controller-operator-history
- **controller_controls_operator:** Myers Brenda → Baron Coal Company Inc; 1987-08-28 to 1988-02-28; source msha-controller-operator-history
- **operator_operates_mine:** White Oak Mining Company Inc → Mccarne Mountain Mine; 1988-02-29 to 1994-10-17; source msha-controller-operator-history
- **controller_controls_operator:** Fortner James E → White Oak Mining Company Inc; 1988-02-29 to 1994-10-17; source msha-controller-operator-history
- **operator_operates_mine:** Baron Coal Company Inc → Mccarne Mountain Mine; 1994-10-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Myers Brenda → Baron Coal Company Inc; 1994-10-18 to current/open; source msha-controller-operator-history