# Relationship history for MSHA mine 1202375

Current hierarchy: **Burnell Ray  Weaver → Yellow Creek Gravel Services → CR 11 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** Yellow Creek Gravel Services → CR 11 Pit; 2005-07-27 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Burnell Ray  Weaver → CR 11 Pit; 2005-07-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Burnell Ray  Weaver → Yellow Creek Gravel Services; 2005-07-27 to current/open; source msha-controller-operator-history