# Relationship history for MSHA mine 0405607

Current hierarchy: **Keith G  Darrah → Darrah Logging, Inc. → Truck Village**

- 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:** Darrah Logging, Inc. → Truck Village; 2004-06-18 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Keith G  Darrah → Truck Village; 2004-06-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Keith G  Darrah → Darrah Logging, Inc.; 2004-06-18 to current/open; source msha-controller-operator-history