# Relationship history for MSHA mine 3607230

Current hierarchy: **Core Natural Resources Inc → Consol Pennsylvania Coal Company LLC → Bailey 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:** Consol Pennsylvania Coal Company → Bailey Mine; 1981-10-01 to 2009-11-17; source msha-controller-operator-history
- **controller_controls_mine:** CONSOL Energy Inc → Bailey Mine; 1981-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** CONSOL Energy Inc → Consol Pennsylvania Coal Company; 1981-10-01 to 2009-11-17; source msha-controller-operator-history
- **operator_operates_mine:** Consol Pennsylvania Coal Company LLC → Bailey Mine; 2009-11-18 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** CONSOL Energy Inc → Bailey Mine; 2009-11-18 to 2025-01-13; source msha-controller-operator-history
- **controller_controls_operator:** CONSOL Energy Inc → Consol Pennsylvania Coal Company LLC; 2009-11-18 to 2025-01-13; source msha-controller-operator-history
- **controller_controls_mine:** Core Natural Resources Inc → Bailey Mine; 2025-01-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Core Natural Resources Inc → Consol Pennsylvania Coal Company LLC; 2025-01-14 to current/open; source msha-controller-operator-history