# Relationship history for MSHA mine 1511014

Current hierarchy: **Chester J  Rust → Rust Of Kentucky Inc → Freedom Mine No 1**

- 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:** Hughes Garey → Freedom Mine No 1; 1974-11-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** H & H Coal Company → Freedom Mine No 1; 1977-11-01 to 1993-09-30; source msha-controller-operator-history
- **controller_controls_operator:** Hughes Garey → H & H Coal Company; 1977-11-01 to 1993-09-30; source msha-controller-operator-history
- **operator_operates_mine:** Rust Of Kentucky Inc → Freedom Mine No 1; 1993-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Chester J  Rust → Freedom Mine No 1; 1993-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Chester J  Rust → Rust Of Kentucky Inc; 1993-10-01 to current/open; source msha-controller-operator-history