# Relationship history for MSHA mine 4609101

Current hierarchy: **John Mitch Potter → Coal Mac East → Toney Fork 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **controller_controls_mine:** John C  Smith Jr → Toney Fork Surface Mine; 2001-03-19 to 2006-01-16; source msha-controller-operator-history
- **operator_operates_mine:** Appalachian Fuels LLC → Toney Fork Surface Mine; 2005-04-13 to 2007-12-06; source msha-controller-operator-history
- **controller_controls_operator:** John C  Smith Jr → Appalachian Fuels LLC; 2005-04-13 to 2006-01-16; source msha-controller-operator-history
- **controller_controls_mine:** Energy Coal Resources Inc → Toney Fork Surface Mine; 2006-01-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Energy Coal Resources Inc → Appalachian Fuels LLC; 2006-01-17 to 2007-12-06; source msha-controller-operator-history
- **operator_operates_mine:** Cliffs Logan County Coal, LLC → Toney Fork Surface Mine; 2007-12-07 to 2014-12-30; source msha-controller-operator-history
- **controller_controls_mine:** INR-I Holdings LLC → Toney Fork Surface Mine; 2007-12-07 to 2010-08-01; source msha-controller-operator-history
- **controller_controls_operator:** INR-I Holdings LLC → Cliffs Logan County Coal, LLC; 2007-12-07 to 2010-08-01; source msha-controller-operator-history
- **controller_controls_mine:** Cleveland-Cliffs Inc → Toney Fork Surface Mine; 2010-08-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cleveland-Cliffs Inc → Cliffs Logan County Coal, LLC; 2010-08-02 to 2014-12-30; source msha-controller-operator-history
- **controller_controls_mine:** Coronado Coal LLC → Toney Fork Surface Mine; 2013-08-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Greenbrier Minerals, LLC → Toney Fork Surface Mine; 2014-12-31 to 2026-07-31; source msha-controller-operator-history
- **controller_controls_operator:** Coronado Coal LLC → Greenbrier Minerals, LLC; 2014-12-31 to 2026-07-31; source msha-controller-operator-history
- **operator_operates_mine:** Coal Mac East → Toney Fork Surface Mine; 2026-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** John Mitch Potter → Toney Fork Surface Mine; 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