# Relationship history for MSHA mine 2902257

Current hierarchy: **Peabody Energy Corporation → El Segundo Coal Company, LLC → El Segundo**

- 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:** Peabody Energy Corporation → El Segundo; 1998-05-19 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** El Segundo Coal Company, LLC → El Segundo; 2006-01-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Peabody Energy Corporation → El Segundo Coal Company, LLC; 2006-01-10 to current/open; source msha-controller-operator-history