# Relationship history for MSHA mine 4104498

Current hierarchy: **Claude  Lindsey → Lindsey Materials → Downsville 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

- **controller_controls_mine:** Claude  Lindsey et al → Downsville Pit; 2004-05-02 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Lindsey Materials → Downsville Pit; 2004-09-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Claude  Lindsey et al → Lindsey Materials; 2004-09-08 to current/open; source msha-controller-operator-history