# Relationship history for MSHA mine 4609390

Current hierarchy: **John Mitch Potter → Coal Mac East → Elklick Chilton**

- 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:** Anthony P  Cline → Elklick Chilton; 2003-11-06 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** INR-I Holdings LLC → Elklick Chilton; 2007-12-07 to 2010-08-01; source msha-controller-operator-history
- **controller_controls_mine:** Cleveland-Cliffs Inc → Elklick Chilton; 2010-08-02 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Cliffs Logan County Coal, LLC → Elklick Chilton; 2010-10-15 to 2016-09-25; source msha-controller-operator-history
- **controller_controls_operator:** INR-I Holdings LLC → Cliffs Logan County Coal, LLC; 2010-10-15 to 2010-08-01; source msha-controller-operator-history
- **controller_controls_operator:** Cleveland-Cliffs Inc → Cliffs Logan County Coal, LLC; 2010-10-15 to 2016-09-25; source msha-controller-operator-history
- **controller_controls_mine:** Coronado Coal LLC → Elklick Chilton; 2013-08-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Greenbrier Minerals, LLC → Elklick Chilton; 2016-09-26 to 2018-11-16; source msha-controller-operator-history
- **controller_controls_operator:** Coronado Coal LLC → Greenbrier Minerals, LLC; 2016-09-26 to 2018-11-16; source msha-controller-operator-history
- **operator_operates_mine:** Selah Corporation → Elklick Chilton; 2018-11-17 to 2023-05-01; source msha-controller-operator-history
- **controller_controls_operator:** Anthony P  Cline → Selah Corporation; 2018-11-17 to 2023-05-01; source msha-controller-operator-history
- **operator_operates_mine:** Greenbrier Minerals, LLC → Elklick Chilton; 2023-05-02 to 2026-07-31; source msha-controller-operator-history
- **controller_controls_operator:** Coronado Coal LLC → Greenbrier Minerals, LLC; 2023-05-02 to 2026-07-31; source msha-controller-operator-history
- **operator_operates_mine:** Coal Mac East → Elklick Chilton; 2026-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** John Mitch Potter → Elklick Chilton; 2026-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John Mitch Potter → Coal Mac East; 2026-08-01 to current/open; source msha-controller-operator-history