# Relationship history for MSHA mine 0203088

Current hierarchy: **Rachele R  Sult → Granite Mountain Materials → Docie 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:** Granite Mountain Materials → Docie Pit; 2005-05-25 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Rachele R  Sult → Docie Pit; 2005-05-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rachele R  Sult → Granite Mountain Materials; 2005-05-25 to current/open; source msha-controller-operator-history