# Relationship history for MSHA mine 2602856

Current hierarchy: **Randolph  Wright → Acclaro LLC → Acclaro**

- 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:** Imperial Agri LLC → Acclaro; 2020-07-10 to 2025-02-26; source msha-controller-operator-history
- **controller_controls_mine:** Randolph  Wright → Acclaro; 2020-07-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Randolph  Wright → Imperial Agri LLC; 2020-07-10 to 2025-02-26; source msha-controller-operator-history
- **operator_operates_mine:** Acclaro LLC → Acclaro; 2025-02-27 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Randolph  Wright → Acclaro; 2025-02-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Randolph  Wright → Acclaro LLC; 2025-02-27 to current/open; source msha-controller-operator-history