# Relationship history for MSHA mine 4609218

Current hierarchy: **John Mitch Potter → Coal-Mac MET, LLC → Glenco Load-Out**

- 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:** Jeffery A  Hoops → Glenco Load-Out; 2001-03-01 to 2008-10-31; source msha-controller-operator-history
- **operator_operates_mine:** Frasure Creek Mining LLC → Glenco Load-Out; 2007-06-22 to 2021-09-28; source msha-controller-operator-history
- **controller_controls_operator:** Jeffery A  Hoops → Frasure Creek Mining LLC; 2007-06-22 to 2008-10-31; source msha-controller-operator-history
- **controller_controls_mine:** Kenneth W  Woodring → Glenco Load-Out; 2008-11-01 to 2010-04-06; source msha-controller-operator-history
- **controller_controls_operator:** Kenneth W  Woodring → Frasure Creek Mining LLC; 2008-11-01 to 2010-04-06; source msha-controller-operator-history
- **controller_controls_mine:** Essar Minerals Canada Limited → Glenco Load-Out; 2010-04-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Essar Minerals Canada Limited → Frasure Creek Mining LLC; 2010-04-07 to 2021-09-28; source msha-controller-operator-history
- **controller_controls_mine:** John T  Quintrell → Glenco Load-Out; 2021-09-15 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Resilient Mining, LLC → Glenco Load-Out; 2021-09-29 to 2025-06-11; source msha-controller-operator-history
- **controller_controls_operator:** John T  Quintrell → Resilient Mining, LLC; 2021-09-29 to 2025-06-11; source msha-controller-operator-history
- **operator_operates_mine:** Coal-Mac MET, LLC → Glenco Load-Out; 2025-06-12 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** John Mitch Potter → Glenco Load-Out; 2025-06-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John Mitch Potter → Coal-Mac MET, LLC; 2025-06-12 to current/open; source msha-controller-operator-history