# Relationship history for MSHA mine 4607376

Current hierarchy: **Bernard  Brown → Aurevo Resources → Laurel Creek Contour No. 1 Surface 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** El Paso Energy Corp → Laurel Creek Contour No. 1 Surface Mine; 1979-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Anderson James Et Al → Laurel Creek Contour No. 1 Surface Mine; 1983-10-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Drennen Enterprises Inc → Laurel Creek Contour No. 1 Surface Mine; 1987-09-01 to 1992-05-14; source msha-controller-operator-history
- **controller_controls_operator:** Anderson James Et Al → Drennen Enterprises Inc; 1987-09-01 to 1992-05-14; source msha-controller-operator-history
- **controller_controls_mine:** John E  Plaster → Laurel Creek Contour No. 1 Surface Mine; 1992-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Sam Black Coal Sales Inc → Laurel Creek Contour No. 1 Surface Mine; 1992-05-15 to 1997-02-05; source msha-controller-operator-history
- **controller_controls_operator:** John E  Plaster → Sam Black Coal Sales Inc; 1992-05-15 to 1997-02-05; source msha-controller-operator-history
- **operator_operates_mine:** Coastal Coal-West Virginia Llc → Laurel Creek Contour No. 1 Surface Mine; 1997-02-06 to 2011-10-17; source msha-controller-operator-history
- **controller_controls_operator:** El Paso Energy Corp → Coastal Coal-West Virginia Llc; 1997-02-06 to 2011-10-17; source msha-controller-operator-history
- **operator_operates_mine:** South Fork Coal Company, LLC → Laurel Creek Contour No. 1 Surface Mine; 2011-10-18 to 2026-08-17; source msha-controller-operator-history
- **controller_controls_mine:** Xinergy Ltd → Laurel Creek Contour No. 1 Surface Mine; 2011-10-18 to 2016-02-09; source msha-controller-operator-history
- **controller_controls_operator:** Xinergy Ltd → South Fork Coal Company, LLC; 2011-10-18 to 2016-02-09; source msha-controller-operator-history
- **controller_controls_mine:** White Forest Resources, Inc → Laurel Creek Contour No. 1 Surface Mine; 2016-02-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** White Forest Resources, Inc → South Fork Coal Company, LLC; 2016-02-10 to 2026-08-17; source msha-controller-operator-history
- **controller_controls_mine:** Bernard  Brown → Laurel Creek Contour No. 1 Surface Mine; 2026-05-06 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Aurevo Resources → Laurel Creek Contour No. 1 Surface Mine; 2026-08-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bernard  Brown → Aurevo Resources; 2026-08-18 to current/open; source msha-controller-operator-history