# Relationship history for MSHA mine 1601552

Current hierarchy: **Cody  Fortier; Michael  Hensgens → Red Hawk Materials → Red Hawk Carencro**

- 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

- **controller_controls_mine:** Cody  Fortier et al → Red Hawk Carencro; 2014-07-29 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Red Hawk Materials → Red Hawk Carencro; 2015-07-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cody  Fortier et al → Red Hawk Materials; 2015-07-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Michael  Hensgens et al → Red Hawk Materials; 2015-07-16 to current/open; source msha-controller-operator-history