# Relationship history for MSHA mine 0501370

Current hierarchy: **Peabody Energy Corporation → Peabody Williams Fork Mining, LLC → Eagle #5**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Empire Energy Corp D/B/A Silengo Coal Co → Eagle #5; 1950-01-01 to 1976-06-30; source msha-controller-operator-history
- **controller_controls_mine:** Empire Energy Corp D/B/A Silengo Coal Co → Eagle #5; 1950-01-01 to 1976-06-30; source msha-controller-operator-history
- **controller_controls_operator:** Empire Energy Corp D/B/A Silengo Coal Co → Empire Energy Corp D/B/A Silengo Coal Co; 1950-01-01 to 1976-06-30; source msha-controller-operator-history
- **operator_operates_mine:** Empire Energy Corp → Eagle #5; 1976-07-01 to 1980-04-02; source msha-controller-operator-history
- **controller_controls_mine:** Houston Natural Gas Corp → Eagle #5; 1976-07-01 to 1980-04-02; source msha-controller-operator-history
- **controller_controls_operator:** Houston Natural Gas Corp → Empire Energy Corp; 1976-07-01 to 1980-04-02; source msha-controller-operator-history
- **operator_operates_mine:** Cyprus Empire Corp → Eagle #5; 1980-04-03 to 1999-06-29; source msha-controller-operator-history
- **controller_controls_mine:** Cyprus Amax Minerals Company → Eagle #5; 1980-04-03 to 1999-06-29; source msha-controller-operator-history
- **controller_controls_operator:** Cyprus Amax Minerals Company → Cyprus Empire Corp; 1980-04-03 to 1999-06-29; source msha-controller-operator-history
- **operator_operates_mine:** BTU Empire Corporation → Eagle #5; 1999-06-30 to 2010-08-15; source msha-controller-operator-history
- **controller_controls_mine:** Rag Aktiengesellschaft → Eagle #5; 1999-06-30 to 2004-04-14; source msha-controller-operator-history
- **controller_controls_operator:** Rag Aktiengesellschaft → BTU Empire Corporation; 1999-06-30 to 2004-04-14; source msha-controller-operator-history
- **controller_controls_mine:** Peabody Energy Corporation → Eagle #5; 2004-04-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Peabody Energy Corporation → BTU Empire Corporation; 2004-04-15 to 2010-08-15; source msha-controller-operator-history
- **operator_operates_mine:** Peabody Williams Fork Mining, LLC → Eagle #5; 2010-08-16 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Peabody Energy Corporation → Eagle #5; 2010-08-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Peabody Energy Corporation → Peabody Williams Fork Mining, LLC; 2010-08-16 to current/open; source msha-controller-operator-history