# Relationship history for MSHA mine 4608752

Current hierarchy: **Lexington Coal Holdings, Inc → Lexington Coal Company, LLC → Fork Creek Prep Plant**

- 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:** Wendell R  Bias et al → Fork Creek Prep Plant; 1998-07-28 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Fork Creek Mining Company → Fork Creek Prep Plant; 1998-12-01 to 2002-11-06; source msha-controller-operator-history
- **controller_controls_mine:** Pen Holdings Inc → Fork Creek Prep Plant; 1998-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Pen Holdings Inc → Fork Creek Mining Company; 1998-12-01 to 2002-11-06; source msha-controller-operator-history
- **operator_operates_mine:** 3-D Management Services, Inc. → Fork Creek Prep Plant; 2002-11-07 to 2003-07-01; source msha-controller-operator-history
- **controller_controls_operator:** Wendell R  Bias et al → 3-D Management Services, Inc.; 2002-11-07 to 2003-07-01; source msha-controller-operator-history
- **operator_operates_mine:** Coal River Processing LLC → Fork Creek Prep Plant; 2003-07-02 to 2018-05-22; source msha-controller-operator-history
- **controller_controls_mine:** James O  Bunn  et al → Fork Creek Prep Plant; 2003-07-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James O  Bunn  et al → Coal River Processing LLC; 2003-07-02 to 2018-05-22; source msha-controller-operator-history
- **controller_controls_operator:** Franklin D  Robertson  et al → Coal River Processing LLC; 2003-07-02 to 2018-05-22; source msha-controller-operator-history
- **controller_controls_mine:** Lexington Coal Holdings, Inc → Fork Creek Prep Plant; 2017-10-23 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Lexington Coal Company, LLC → Fork Creek Prep Plant; 2018-05-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lexington Coal Holdings, Inc → Lexington Coal Company, LLC; 2018-05-23 to current/open; source msha-controller-operator-history