# Relationship history for MSHA mine 1103212

Current hierarchy: **David (Michael)  Jamison → Responsible Energy Operations → Eagle River Mine No 1**

- 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

- **operator_operates_mine:** Eagle River Coal LLC → Eagle River Mine No 1; 2009-04-15 to 2021-11-09; source msha-controller-operator-history
- **controller_controls_mine:** American Patriot Mining LLC et al → Eagle River Mine No 1; 2009-04-15 to 2010-12-31; source msha-controller-operator-history
- **controller_controls_operator:** American Patriot Mining LLC et al → Eagle River Coal LLC; 2009-04-15 to 2010-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Franks LLC → Eagle River Mine No 1; 2011-01-01 to 2017-05-04; source msha-controller-operator-history
- **controller_controls_operator:** Franks LLC → Eagle River Coal LLC; 2011-01-01 to 2017-05-04; source msha-controller-operator-history
- **controller_controls_mine:** Franks LLC et al → Eagle River Mine No 1; 2017-05-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Franks LLC et al → Eagle River Coal LLC; 2017-05-05 to 2021-11-09; source msha-controller-operator-history
- **controller_controls_operator:** White Stallion-Eagle River LLC et al → Eagle River Coal LLC; 2017-05-05 to 2021-11-09; source msha-controller-operator-history
- **operator_operates_mine:** Responsible Energy Operations → Eagle River Mine No 1; 2021-11-10 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Responsible Energy Ventures LLC → Eagle River Mine No 1; 2021-11-10 to 2025-10-02; source msha-controller-operator-history
- **controller_controls_operator:** Responsible Energy Ventures LLC → Responsible Energy Operations; 2021-11-10 to 2025-10-02; source msha-controller-operator-history
- **controller_controls_mine:** Eagle Summit Resources LLC → Eagle River Mine No 1; 2025-10-03 to 2026-09-01; source msha-controller-operator-history
- **controller_controls_operator:** Eagle Summit Resources LLC → Responsible Energy Operations; 2025-10-03 to 2026-09-01; source msha-controller-operator-history
- **controller_controls_mine:** David (Michael)  Jamison → Eagle River Mine No 1; 2026-09-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** David (Michael)  Jamison → Responsible Energy Operations; 2026-09-02 to current/open; source msha-controller-operator-history