# Relationship history for MSHA mine 2003437

Current hierarchy: **Clarence L  Hincka Jr; William O  Hincka → Hincka Logging LLC → Hincka 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:** Hincka Logging LLC → Hincka Pit; 2009-11-05 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Clarence L  Hincka Jr et al → Hincka Pit; 2009-11-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Clarence L  Hincka Jr et al → Hincka Logging LLC; 2009-11-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** William O  Hincka et al → Hincka Logging LLC; 2009-11-05 to current/open; source msha-controller-operator-history
