# Relationship history for MSHA mine 0801440

Current hierarchy: **United Lely Investments Inc → Bermont Materials → Bermont Materials Alico**

- 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

- **controller_controls_mine:** United Lely Investments Inc → Bermont Materials Alico; 2014-12-02 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Bermont Materials → Bermont Materials Alico; 2022-06-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** United Lely Investments Inc → Bermont Materials; 2022-06-16 to current/open; source msha-controller-operator-history
