# Relationship history for MSHA mine 1514499

Current hierarchy: **Rice Ronnie → Clever Mining Company Inc → No 6**

- 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:** Smith Kenny L → No 6; 1975-11-02 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Majestic Collieries Company → No 6; 1984-03-01 to 1984-04-11; source msha-controller-operator-history
- **controller_controls_mine:** Inspiration Resources Corporation → No 6; 1984-03-01 to 1984-05-28; source msha-controller-operator-history
- **controller_controls_operator:** Inspiration Resources Corporation → Majestic Collieries Company; 1984-03-01 to 1984-04-11; source msha-controller-operator-history
- **operator_operates_mine:** Phelps Mining Inc → No 6; 1984-04-12 to 1988-03-29; source msha-controller-operator-history
- **controller_controls_operator:** Smith Kenny L → Phelps Mining Inc; 1984-04-12 to 1988-03-29; source msha-controller-operator-history
- **operator_operates_mine:** C & W Mining Company Inc → No 6; 1988-03-30 to 1990-01-04; source msha-controller-operator-history
- **controller_controls_mine:** Wolford Willie → No 6; 1988-03-30 to 1990-01-04; source msha-controller-operator-history
- **controller_controls_operator:** Wolford Willie → C & W Mining Company Inc; 1988-03-30 to 1990-01-04; source msha-controller-operator-history
- **controller_controls_mine:** Rice Ronnie → No 6; 1989-04-14 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Progressive Coal Company Inc → No 6; 1990-01-05 to 1990-10-01; source msha-controller-operator-history
- **controller_controls_mine:** Milford  Compton et al → No 6; 1990-01-05 to 1990-10-01; source msha-controller-operator-history
- **controller_controls_operator:** Milford  Compton et al → Progressive Coal Company Inc; 1990-01-05 to 1990-10-01; source msha-controller-operator-history
- **operator_operates_mine:** Clever Mining Company Inc → No 6; 1990-10-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rice Ronnie → Clever Mining Company Inc; 1990-10-02 to current/open; source msha-controller-operator-history