# Relationship history for MSHA mine 4105550

Current hierarchy: **Victor J  Hirsch III → Primal Materials → Pinnacle Crushing & Aggregate, 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:** Primal Materials → Pinnacle Crushing & Aggregate, LLC; 2021-02-11 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Victor J  Hirsch III → Pinnacle Crushing & Aggregate, LLC; 2021-02-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Victor J  Hirsch III → Primal Materials; 2021-02-11 to current/open; source msha-controller-operator-history