# Relationship history for MSHA mine 4002454

Current hierarchy: **Bowman Kenneth → Bowman Mining Company → No 2**

- 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:** Star Coal Company → No 2; 1978-08-01 to 1978-12-14; source msha-controller-operator-history
- **controller_controls_mine:** Stockwell Clarence & Marvin → No 2; 1978-08-01 to 1978-12-14; source msha-controller-operator-history
- **controller_controls_operator:** Stockwell Clarence & Marvin → Star Coal Company; 1978-08-01 to 1978-12-14; source msha-controller-operator-history
- **operator_operates_mine:** Star Coal Company → No 2; 1978-12-15 to 1983-11-27; source msha-controller-operator-history
- **controller_controls_mine:** Gagnon Fred M → No 2; 1978-12-15 to 1983-11-27; source msha-controller-operator-history
- **controller_controls_operator:** Gagnon Fred M → Star Coal Company; 1978-12-15 to 1983-11-27; source msha-controller-operator-history
- **operator_operates_mine:** Belle Forest Coal Company Inc → No 2; 1983-11-28 to 1984-08-02; source msha-controller-operator-history
- **controller_controls_mine:** Hagwood Stafford → No 2; 1983-11-28 to 1984-08-02; source msha-controller-operator-history
- **controller_controls_operator:** Hagwood Stafford → Belle Forest Coal Company Inc; 1983-11-28 to 1984-08-02; source msha-controller-operator-history
- **operator_operates_mine:** Bowman Mining Company → No 2; 1984-08-03 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Bowman Kenneth → No 2; 1984-08-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bowman Kenneth → Bowman Mining Company; 1984-08-03 to current/open; source msha-controller-operator-history