# Relationship history for MSHA mine 4606389

Current hierarchy: **Mullins Jack G → Racoon Mining Inc → Metco Mine No 1**

- 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:** Columbus General Corp → Metco Mine No 1; 1981-07-01 to 1982-10-31; source msha-controller-operator-history
- **controller_controls_mine:** Evans Chester → Metco Mine No 1; 1981-07-01 to 1982-10-31; source msha-controller-operator-history
- **controller_controls_operator:** Evans Chester → Columbus General Corp; 1981-07-01 to 1982-10-31; source msha-controller-operator-history
- **controller_controls_mine:** Hackney W Alan → Metco Mine No 1; 1981-11-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Bethk Inc → Metco Mine No 1; 1982-11-01 to 1983-11-16; source msha-controller-operator-history
- **controller_controls_operator:** Hackney W Alan → Bethk Inc; 1982-11-01 to 1983-11-16; source msha-controller-operator-history
- **operator_operates_mine:** Racoon Mining Inc → Metco Mine No 1; 1983-11-17 to 1986-09-21; source msha-controller-operator-history
- **controller_controls_mine:** Linville Danny → Metco Mine No 1; 1983-11-17 to 1986-09-21; source msha-controller-operator-history
- **controller_controls_operator:** Linville Danny → Racoon Mining Inc; 1983-11-17 to 1986-09-21; source msha-controller-operator-history
- **operator_operates_mine:** Racoon Mining Inc → Metco Mine No 1; 1986-09-22 to 1987-02-28; source msha-controller-operator-history
- **controller_controls_mine:** Stacy Harold Sr → Metco Mine No 1; 1986-09-22 to 1987-02-28; source msha-controller-operator-history
- **controller_controls_operator:** Stacy Harold Sr → Racoon Mining Inc; 1986-09-22 to 1987-02-28; source msha-controller-operator-history
- **operator_operates_mine:** Racoon Mining Inc → Metco Mine No 1; 1987-03-01 to 1987-09-27; source msha-controller-operator-history
- **controller_controls_mine:** Kretzer Arthur → Metco Mine No 1; 1987-03-01 to 1987-09-27; source msha-controller-operator-history
- **controller_controls_operator:** Kretzer Arthur → Racoon Mining Inc; 1987-03-01 to 1987-09-27; source msha-controller-operator-history
- **operator_operates_mine:** Racoon Mining Inc → Metco Mine No 1; 1987-09-28 to 1988-04-11; source msha-controller-operator-history
- **controller_controls_mine:** Stollings Danny → Metco Mine No 1; 1987-09-28 to 1988-04-11; source msha-controller-operator-history
- **controller_controls_operator:** Stollings Danny → Racoon Mining Inc; 1987-09-28 to 1988-04-11; source msha-controller-operator-history
- **operator_operates_mine:** Racoon Mining Inc → Metco Mine No 1; 1988-04-12 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Mullins Jack G → Metco Mine No 1; 1988-04-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mullins Jack G → Racoon Mining Inc; 1988-04-12 to current/open; source msha-controller-operator-history