# Relationship history for MSHA mine 4105502

Current hierarchy: **David E Chandler → RED DEER CONSTRUCTION LLC → Red Deer Construction LLC**

- 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:** RED DEER CONSTRUCTION LLC → Red Deer Construction LLC; 2022-06-30 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** David E Chandler → Red Deer Construction LLC; 2022-06-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** David E Chandler → RED DEER CONSTRUCTION LLC; 2022-06-30 to current/open; source msha-controller-operator-history