# Relationship history for MSHA mine 3608014

Current hierarchy: **Deeter Allen & Dennis → L V Coal Company → No 4 Slope**

- 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

- **operator_operates_mine:** R & L Coal Company → No 4 Slope; 1988-05-01 to 1990-11-19; source msha-controller-operator-history
- **controller_controls_mine:** Reiner Terry & Larry Long → No 4 Slope; 1988-05-01 to 1990-11-19; source msha-controller-operator-history
- **controller_controls_operator:** Reiner Terry & Larry Long → R & L Coal Company; 1988-05-01 to 1990-11-19; source msha-controller-operator-history
- **operator_operates_mine:** L V Coal Company → No 4 Slope; 1990-11-20 to 1992-02-05; source msha-controller-operator-history
- **controller_controls_mine:** Zimmerman Thomas & Thomas Adams → No 4 Slope; 1990-11-20 to 1992-02-05; source msha-controller-operator-history
- **controller_controls_operator:** Zimmerman Thomas & Thomas Adams → L V Coal Company; 1990-11-20 to 1992-02-05; source msha-controller-operator-history
- **operator_operates_mine:** Lv Coal Company → No 4 Slope; 1992-02-06 to 1993-04-01; source msha-controller-operator-history
- **controller_controls_mine:** Underkoffler Gregory & Terry Reiner → No 4 Slope; 1992-02-06 to 1993-04-01; source msha-controller-operator-history
- **controller_controls_operator:** Underkoffler Gregory & Terry Reiner → Lv Coal Company; 1992-02-06 to 1993-04-01; source msha-controller-operator-history
- **operator_operates_mine:** L V Coal Company → No 4 Slope; 1993-04-02 to 1994-09-01; source msha-controller-operator-history
- **controller_controls_mine:** Randy C  Rothermel et al → No 4 Slope; 1993-04-02 to 1994-09-01; source msha-controller-operator-history
- **controller_controls_operator:** Randy C  Rothermel et al → L V Coal Company; 1993-04-02 to 1994-09-01; source msha-controller-operator-history
- **operator_operates_mine:** L V Coal Company → No 4 Slope; 1994-09-02 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Deeter Allen & Dennis → No 4 Slope; 1994-09-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Deeter Allen & Dennis → L V Coal Company; 1994-09-02 to current/open; source msha-controller-operator-history