# Relationship history for MSHA mine 2003705

Current hierarchy: **Reinhart  Cook → Lime and Gypsum Products, Inc → Cook Brothers-CDPJ Mine**

- 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

- **operator_operates_mine:** Lime and Gypsum Products, Inc → Cook Brothers-CDPJ Mine; 2026-06-05 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Reinhart  Cook → Cook Brothers-CDPJ Mine; 2026-06-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Reinhart  Cook → Lime and Gypsum Products, Inc; 2026-06-05 to current/open; source msha-controller-operator-history