# Relationship history for MSHA mine 1001549

Current hierarchy: **Galey Frank Jr → Galey Construction Company Inc → Red Horse 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **controller_controls_mine:** Galey Frank Jr → Red Horse Mine; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Galey Construction Company Inc → Red Horse Mine; 1981-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Galey Frank Jr → Galey Construction Company Inc; 1981-06-01 to current/open; source msha-controller-operator-history