# Relationship history for MSHA mine 4608369

Current hierarchy: **CONSOL Energy Inc → Southern West Virginia Resources, LLC → Northern Mingo 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Zeigler Coal Holding Company → Northern Mingo No 2; 1992-11-24 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Western Mingo Coal Company → Northern Mingo No 2; 1993-11-01 to 1998-09-01; source msha-controller-operator-history
- **controller_controls_operator:** Zeigler Coal Holding Company → Western Mingo Coal Company; 1993-11-01 to 1998-09-01; source msha-controller-operator-history
- **operator_operates_mine:** Western Mingo Coal Company → Northern Mingo No 2; 1998-09-02 to 2004-09-30; source msha-controller-operator-history
- **controller_controls_mine:** Horizon Natural Resources Incorporated → Northern Mingo No 2; 1998-09-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Horizon Natural Resources Incorporated → Western Mingo Coal Company; 1998-09-02 to 2004-09-30; source msha-controller-operator-history
- **operator_operates_mine:** LCC West Virginia LLC → Northern Mingo No 2; 2004-10-01 to 2005-03-28; source msha-controller-operator-history
- **controller_controls_mine:** Lexington Coal Company LLC → Northern Mingo No 2; 2004-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lexington Coal Company LLC → LCC West Virginia LLC; 2004-10-01 to 2005-03-28; source msha-controller-operator-history
- **operator_operates_mine:** Southern West Virginia Resources, LLC → Northern Mingo No 2; 2005-03-29 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** CONSOL Energy Inc → Northern Mingo No 2; 2005-03-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** CONSOL Energy Inc → Southern West Virginia Resources, LLC; 2005-03-29 to current/open; source msha-controller-operator-history