# Relationship history for MSHA mine 5002095

Current hierarchy: **David  Yragui; David  Konen etal → Beaver Loop Sand & Gravel LLC → Beaver Loop Sand & Gravel**

- 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:** Beaver Loop Sand & Gravel LLC → Beaver Loop Sand & Gravel; 2022-04-22 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** David  Yragui et al → Beaver Loop Sand & Gravel; 2022-04-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** David  Yragui et al → Beaver Loop Sand & Gravel LLC; 2022-04-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** David  Konen etal → Beaver Loop Sand & Gravel LLC; 2022-04-22 to current/open; source msha-controller-operator-history