# Relationship history for MSHA mine 1102971

Current hierarchy: **Peabody Energy Corporation → Peabody Midwest Mining, LLC → Riola Mine Complex - Riola Portal**

- 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:** Catlin Coal Company Inc → Riola Mine Complex - Riola Portal; 1995-01-01 to 1999-10-31; source msha-controller-operator-history
- **controller_controls_mine:** Ronald E  Laswell et al → Riola Mine Complex - Riola Portal; 1995-01-01 to 1999-10-31; source msha-controller-operator-history
- **controller_controls_operator:** Ronald E  Laswell et al → Catlin Coal Company Inc; 1995-01-01 to 1999-10-31; source msha-controller-operator-history
- **controller_controls_mine:** Peabody Energy Corporation → Riola Mine Complex - Riola Portal; 1997-11-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Peabody Midwest Mining, LLC → Riola Mine Complex - Riola Portal; 1999-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Peabody Energy Corporation → Peabody Midwest Mining, LLC; 1999-11-01 to current/open; source msha-controller-operator-history