# Relationship history for MSHA mine 4405894

Current hierarchy: **Christian Oral V → Double C Coal Company Inc → 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Davis James-James Mc Vey Et Al → No 1; 1976-06-28 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** S M A Coal Company Inc → No 1; 1982-05-01 to 1983-10-11; source msha-controller-operator-history
- **controller_controls_operator:** Davis James-James Mc Vey Et Al → S M A Coal Company Inc; 1982-05-01 to 1983-10-11; source msha-controller-operator-history
- **operator_operates_mine:** R & R Coal Company → No 1; 1983-10-12 to 1984-05-15; source msha-controller-operator-history
- **controller_controls_mine:** Rife Rex W-Monty L Reynolds Et Al → No 1; 1983-10-12 to 1984-05-15; source msha-controller-operator-history
- **controller_controls_operator:** Rife Rex W-Monty L Reynolds Et Al → R & R Coal Company; 1983-10-12 to 1984-05-15; source msha-controller-operator-history
- **operator_operates_mine:** Cary Smokeless Coal Corp → No 1; 1984-05-16 to 1984-08-19; source msha-controller-operator-history
- **controller_controls_mine:** Jordan Dave → No 1; 1984-05-16 to 1984-08-19; source msha-controller-operator-history
- **controller_controls_operator:** Jordan Dave → Cary Smokeless Coal Corp; 1984-05-16 to 1984-08-19; source msha-controller-operator-history
- **operator_operates_mine:** Double S Coal Company Inc → No 1; 1984-08-20 to 1985-07-18; source msha-controller-operator-history
- **controller_controls_mine:** Sparks Donald J & Ariland Steele → No 1; 1984-08-20 to 1985-07-22; source msha-controller-operator-history
- **controller_controls_operator:** Sparks Donald J & Ariland Steele → Double S Coal Company Inc; 1984-08-20 to 1985-07-18; source msha-controller-operator-history
- **operator_operates_mine:** Double C Coal Company Inc → No 1; 1985-07-19 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Christian Oral V → No 1; 1985-07-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Christian Oral V → Double C Coal Company Inc; 1985-07-19 to current/open; source msha-controller-operator-history