# Relationship history for MSHA mine 0102774

Current hierarchy: **Homan Raybon → Kar-Bon Mining Company Inc → Peterson Kar-Bon Mining Company**

- 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:** Kar-Bon Mining Company Inc → Peterson Kar-Bon Mining Company; 1988-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Homan Raybon → Peterson Kar-Bon Mining Company; 1988-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Homan Raybon → Kar-Bon Mining Company Inc; 1988-09-01 to current/open; source msha-controller-operator-history