# Relationship history for MSHA mine 2003417

Current hierarchy: **Doug  Meekhof; Ray  Denhof → Lakeside Aggregate LLC → Belding Road 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Lakeside Aggregate LLC → Belding Road Pit; 2008-09-04 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Ray  Denhof et al → Belding Road Pit; 2008-09-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ray  Denhof et al → Lakeside Aggregate LLC; 2008-09-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Doug  Meekhof et al → Lakeside Aggregate LLC; 2008-09-04 to current/open; source msha-controller-operator-history