# Relationship history for MSHA mine 3301172

Current hierarchy: **Core Natural Resources Inc → CONSOL Mining Company LLC → Meigs #31 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** Southern Ohio Coal Company → Meigs #31 Mine; 1950-01-01 to 2001-07-01; source msha-controller-operator-history
- **controller_controls_mine:** American Electric Power Company Inc → Meigs #31 Mine; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** American Electric Power Company Inc → Southern Ohio Coal Company; 1950-01-01 to 2001-07-01; source msha-controller-operator-history
- **operator_operates_mine:** Southern Ohio Coal Company → Meigs #31 Mine; 2001-07-02 to 2013-12-05; source msha-controller-operator-history
- **controller_controls_mine:** CONSOL Energy Inc → Meigs #31 Mine; 2001-07-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** CONSOL Energy Inc → Southern Ohio Coal Company; 2001-07-02 to 2013-12-05; source msha-controller-operator-history
- **operator_operates_mine:** CONSOL Mining Company LLC → Meigs #31 Mine; 2013-12-06 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** CONSOL Energy Inc → Meigs #31 Mine; 2013-12-06 to 2025-01-13; source msha-controller-operator-history
- **controller_controls_operator:** CONSOL Energy Inc → CONSOL Mining Company LLC; 2013-12-06 to 2025-01-13; source msha-controller-operator-history
- **controller_controls_mine:** Core Natural Resources Inc → Meigs #31 Mine; 2025-01-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Core Natural Resources Inc → CONSOL Mining Company LLC; 2025-01-14 to current/open; source msha-controller-operator-history