# Relationship history for MSHA mine 4608590

Current hierarchy: **Mark P  White → Styx River Mining Inc → No 7**

- 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:** Styx River Mining Inc → No 7; 1996-10-01 to 1997-03-24; source msha-controller-operator-history
- **controller_controls_mine:** Bowman Robert A → No 7; 1996-10-01 to 1997-03-24; source msha-controller-operator-history
- **controller_controls_operator:** Bowman Robert A → Styx River Mining Inc; 1996-10-01 to 1997-03-24; source msha-controller-operator-history
- **operator_operates_mine:** Styx River Mining Inc → No 7; 1997-03-25 to 1997-09-23; source msha-controller-operator-history
- **controller_controls_mine:** Baldwin George → No 7; 1997-03-25 to 1997-09-23; source msha-controller-operator-history
- **controller_controls_operator:** Baldwin George → Styx River Mining Inc; 1997-03-25 to 1997-09-23; source msha-controller-operator-history
- **operator_operates_mine:** Styx River Mining Inc → No 7; 1997-09-24 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Mark P  White → No 7; 1997-09-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mark P  White → Styx River Mining Inc; 1997-09-24 to current/open; source msha-controller-operator-history