# Relationship history for MSHA mine 4200079

Current hierarchy: **Wolverine Fuels LLC → Emery Valley Resources, LLC. → Emery Valley 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

- **controller_controls_mine:** CONSOL Energy Inc → Emery Valley Mine; 1950-01-01 to 2013-12-04; source msha-controller-operator-history
- **operator_operates_mine:** Browning Coal Co → Emery Valley Mine; 1950-01-01 to 1975-05-12; source msha-controller-operator-history
- **controller_controls_mine:** Petty Horace A → Emery Valley Mine; 1950-01-01 to 1975-05-12; source msha-controller-operator-history
- **controller_controls_operator:** Petty Horace A → Browning Coal Co; 1950-01-01 to 1975-05-12; source msha-controller-operator-history
- **operator_operates_mine:** Consolidation Coal Company → Emery Valley Mine; 1975-05-13 to 2013-12-05; source msha-controller-operator-history
- **controller_controls_operator:** CONSOL Energy Inc → Consolidation Coal Company; 1975-05-13 to 2013-12-04; source msha-controller-operator-history
- **controller_controls_mine:** Robert E  Murray → Emery Valley Mine; 2013-12-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert E  Murray → Consolidation Coal Company; 2013-12-05 to 2013-12-05; source msha-controller-operator-history
- **operator_operates_mine:** CONSOL Mining Company LLC → Emery Valley Mine; 2013-12-06 to 2015-12-31; source msha-controller-operator-history
- **controller_controls_mine:** CONSOL Energy Inc → Emery Valley 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 2015-12-31; source msha-controller-operator-history
- **operator_operates_mine:** Bronco Utah Operations, LLC. → Emery Valley Mine; 2016-01-01 to 2026-02-16; source msha-controller-operator-history
- **controller_controls_mine:** Bronco Coal Resources, LLC → Emery Valley Mine; 2016-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bronco Coal Resources, LLC → Bronco Utah Operations, LLC.; 2016-01-01 to 2026-02-16; source msha-controller-operator-history
- **controller_controls_mine:** Core Natural Resources Inc → Emery Valley 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 2015-12-31; source msha-controller-operator-history
- **operator_operates_mine:** Emery Valley Resources, LLC. → Emery Valley Mine; 2026-02-17 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Wolverine Fuels LLC → Emery Valley Mine; 2026-02-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Wolverine Fuels LLC → Emery Valley Resources, LLC.; 2026-02-17 to current/open; source msha-controller-operator-history