# Relationship history for MSHA mine 4607751

Current hierarchy: **Charles H  Powell → Red Hawk Mining Inc → Mine No 3**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Edward A  Asbury → Mine No 3; 1986-08-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Doss Fork Coal Company Inc → Mine No 3; 1989-09-01 to 1999-01-27; source msha-controller-operator-history
- **controller_controls_operator:** Edward A  Asbury → Doss Fork Coal Company Inc; 1989-09-01 to 1999-01-27; source msha-controller-operator-history
- **controller_controls_mine:** Charles H  Powell → Mine No 3; 1994-03-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Red Hawk Mining Inc → Mine No 3; 1999-01-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Charles H  Powell → Red Hawk Mining Inc; 1999-01-28 to current/open; source msha-controller-operator-history