# Relationship history for MSHA mine 4603115

Current hierarchy: **Walter Energy Incorporated → Maple Coal Co., LLC → Eagle River Tipple**

- 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:** Hawks Nest Mining Company → Eagle River Tipple; 1950-01-01 to 1987-01-13; source msha-controller-operator-history
- **controller_controls_mine:** Prince F H & Company Inc → Eagle River Tipple; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Prince F H & Company Inc → Hawks Nest Mining Company; 1950-01-01 to 1987-01-13; source msha-controller-operator-history
- **operator_operates_mine:** Hawks Nest Mining Company → Eagle River Tipple; 1987-01-14 to 1989-03-07; source msha-controller-operator-history
- **controller_controls_mine:** Imperial-Pacific Investments Inc → Eagle River Tipple; 1987-01-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Imperial-Pacific Investments Inc → Hawks Nest Mining Company; 1987-01-14 to 1989-03-07; source msha-controller-operator-history
- **operator_operates_mine:** Cyprus Kanawha Corp → Eagle River Tipple; 1989-03-08 to 1998-06-28; source msha-controller-operator-history
- **controller_controls_mine:** Cyprus Amax Minerals Company → Eagle River Tipple; 1989-03-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cyprus Amax Minerals Company → Cyprus Kanawha Corp; 1989-03-08 to 1998-06-28; source msha-controller-operator-history
- **operator_operates_mine:** Kanawha River Mining Company → Eagle River Tipple; 1998-06-29 to 2004-09-30; source msha-controller-operator-history
- **controller_controls_mine:** Horizon Natural Resources Incorporated → Eagle River Tipple; 1998-06-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Horizon Natural Resources Incorporated → Kanawha River Mining Company; 1998-06-29 to 2004-09-30; source msha-controller-operator-history
- **operator_operates_mine:** LCC West Virginia LLC → Eagle River Tipple; 2004-10-01 to 2005-10-31; source msha-controller-operator-history
- **controller_controls_mine:** Lexington Coal Company LLC → Eagle River Tipple; 2004-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lexington Coal Company LLC → LCC West Virginia LLC; 2004-10-01 to 2005-10-31; source msha-controller-operator-history
- **operator_operates_mine:** Maple Coal Co., LLC → Eagle River Tipple; 2005-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Cambrian Mining PLC et al → Eagle River Tipple; 2005-11-01 to 2011-03-31; source msha-controller-operator-history
- **controller_controls_operator:** Cambrian Mining PLC et al → Maple Coal Co., LLC; 2005-11-01 to 2011-03-31; source msha-controller-operator-history
- **controller_controls_operator:** Coal International PLC et al → Maple Coal Co., LLC; 2005-11-01 to 2011-03-31; source msha-controller-operator-history
- **controller_controls_mine:** Walter Energy Incorporated → Eagle River Tipple; 2011-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Walter Energy Incorporated → Maple Coal Co., LLC; 2011-04-01 to current/open; source msha-controller-operator-history