# Relationship history for MSHA mine 1102815

Current hierarchy: **James River Coal Company → Triad Mining Inc → Cedar Creek 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Black Beauty Resources → Cedar Creek Mine; 1982-08-01 to 1990-10-16; source msha-controller-operator-history
- **controller_controls_mine:** Rogers Group Inc → Cedar Creek Mine; 1983-12-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Black Beauty Coal Company Inc → Cedar Creek Mine; 1985-01-01 to 1985-11-11; source msha-controller-operator-history
- **controller_controls_operator:** Black Beauty Resources → Black Beauty Coal Company Inc; 1985-01-01 to 1985-11-11; source msha-controller-operator-history
- **operator_operates_mine:** Rogers Group Inc → Cedar Creek Mine; 1985-11-12 to 1989-09-08; source msha-controller-operator-history
- **controller_controls_operator:** Rogers Group Inc → Rogers Group Inc; 1985-11-12 to 1989-09-08; source msha-controller-operator-history
- **operator_operates_mine:** Black Beauty Coal Company Inc → Cedar Creek Mine; 1989-09-09 to 1990-10-16; source msha-controller-operator-history
- **controller_controls_operator:** Black Beauty Resources → Black Beauty Coal Company Inc; 1989-09-09 to 1990-10-16; source msha-controller-operator-history
- **operator_operates_mine:** Triad Mining Inc → Cedar Creek Mine; 1990-10-17 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Timothy R  Aull et al → Cedar Creek Mine; 1991-04-01 to 2005-05-31; source msha-controller-operator-history
- **controller_controls_operator:** Timothy R  Aull et al → Triad Mining Inc; 1991-04-01 to 2005-05-31; source msha-controller-operator-history
- **controller_controls_operator:** Joe  Aull et al → Triad Mining Inc; 1991-04-01 to 2005-05-31; source msha-controller-operator-history
- **controller_controls_mine:** James River Coal Company → Cedar Creek Mine; 2005-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James River Coal Company → Triad Mining Inc; 2005-06-01 to current/open; source msha-controller-operator-history