# Relationship history for MSHA mine 0500304

Current hierarchy: **Peabody Energy Corporation → Seneca Coal Company → Seneca**

- 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:** Seneca Coals Ltd → Seneca; 1950-01-01 to 1985-10-09; source msha-controller-operator-history
- **controller_controls_mine:** Peabody Coal Company et al → Seneca; 1950-01-01 to 1985-10-09; source msha-controller-operator-history
- **controller_controls_operator:** Peabody Coal Company et al → Seneca Coals Ltd; 1950-01-01 to 1985-10-09; source msha-controller-operator-history
- **operator_operates_mine:** Seneca Coal Company → Seneca; 1985-10-10 to 1998-05-18; source msha-controller-operator-history
- **controller_controls_mine:** Hanson PLC → Seneca; 1985-10-10 to 1998-05-18; source msha-controller-operator-history
- **controller_controls_operator:** Hanson PLC → Seneca Coal Company; 1985-10-10 to 1998-05-18; source msha-controller-operator-history
- **operator_operates_mine:** Seneca Coal Company → Seneca; 1998-05-19 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Peabody Energy Corporation → Seneca; 1998-05-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Peabody Energy Corporation → Seneca Coal Company; 1998-05-19 to current/open; source msha-controller-operator-history