# Relationship history for MSHA mine 2003485

Current hierarchy: **Carmeuse Holding SA → Crandell Bros. Trucking → CP1**

- 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:** Randy  Crandell → CP1; 1979-01-01 to 2025-07-08; source msha-controller-operator-history
- **operator_operates_mine:** Crandell Bros. Trucking → CP1; 2013-09-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Randy  Crandell → Crandell Bros. Trucking; 2013-09-26 to 2025-07-08; source msha-controller-operator-history
- **controller_controls_mine:** Carmeuse Holding SA → CP1; 2025-07-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Carmeuse Holding SA → Crandell Bros. Trucking; 2025-07-09 to current/open; source msha-controller-operator-history