# Relationship history for MSHA mine 1512471

Current hierarchy: **Gilbert Stanley E → L P N Coal Company Inc → Lpn 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

- **controller_controls_mine:** Jones Harold Gregory → Lpn No 2; 1979-04-17 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Cynthia Ann Coal Company Inc → Lpn No 2; 1980-08-01 to 1981-11-19; source msha-controller-operator-history
- **controller_controls_operator:** Jones Harold Gregory → Cynthia Ann Coal Company Inc; 1980-08-01 to 1981-11-19; source msha-controller-operator-history
- **operator_operates_mine:** Paradox Coal Company Inc → Lpn No 2; 1981-11-20 to 1990-01-01; source msha-controller-operator-history
- **controller_controls_mine:** Charles  Turner → Lpn No 2; 1981-11-20 to 1990-01-01; source msha-controller-operator-history
- **controller_controls_operator:** Charles  Turner → Paradox Coal Company Inc; 1981-11-20 to 1990-01-01; source msha-controller-operator-history
- **controller_controls_mine:** Gilbert Stanley E → Lpn No 2; 1989-10-04 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** L P N Coal Company Inc → Lpn No 2; 1990-01-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Gilbert Stanley E → L P N Coal Company Inc; 1990-01-02 to current/open; source msha-controller-operator-history