# Relationship history for MSHA mine 3200943

Current hierarchy: **Zeke  Johnson → RSCI → Notellum Pit**

- 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:** RSCI → Notellum Pit; 2012-03-19 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Zeke  Johnson → Notellum Pit; 2012-03-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Zeke  Johnson → RSCI; 2012-03-19 to current/open; source msha-controller-operator-history