# Relationship history for MSHA mine 5002112

Current hierarchy: **Marc  McKenna; Matthew  McKenna → McKenna Brothers Paving Inc → Crusher # 1**

- 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:** McKenna Brothers Paving Inc → Crusher # 1; 2024-08-15 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Matthew  McKenna et al → Crusher # 1; 2024-08-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Matthew  McKenna et al → McKenna Brothers Paving Inc; 2024-08-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Marc  McKenna et al → McKenna Brothers Paving Inc; 2024-08-15 to current/open; source msha-controller-operator-history