# Relationship history for MSHA mine 1202076

Current hierarchy: **Peabody Energy Corporation → Peabody Midwest Mining, LLC → Columbia Maintenance Services**

- 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:** Vigo Coal Company Incorporated → Columbia Maintenance Services; 1985-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Vigo Coal Company Inc → Columbia Maintenance Services; 1990-05-01 to 1992-02-18; source msha-controller-operator-history
- **controller_controls_operator:** Vigo Coal Company Incorporated → Vigo Coal Company Inc; 1990-05-01 to 1992-02-18; source msha-controller-operator-history
- **controller_controls_mine:** Black Beauty Resources → Columbia Maintenance Services; 1991-09-09 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Black Beauty Mining Inc → Columbia Maintenance Services; 1992-02-19 to 2005-01-13; source msha-controller-operator-history
- **controller_controls_operator:** Black Beauty Resources → Black Beauty Mining Inc; 1992-02-19 to 2005-01-13; source msha-controller-operator-history
- **controller_controls_mine:** Peabody Energy Corporation → Columbia Maintenance Services; 1997-11-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Peabody Midwest Mining, LLC → Columbia Maintenance Services; 2005-01-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Peabody Energy Corporation → Peabody Midwest Mining, LLC; 2005-01-14 to current/open; source msha-controller-operator-history