# Relationship history for MSHA mine 0404291

Current hierarchy: **Rue H D → H D Rue-Lessee → Hutton Drift**

- 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:** K Dennison-Lessee → Hutton Drift; 1979-01-01 to 1979-09-19; source msha-controller-operator-history
- **controller_controls_mine:** K Dennison → Hutton Drift; 1979-01-01 to 1979-09-19; source msha-controller-operator-history
- **controller_controls_operator:** K Dennison → K Dennison-Lessee; 1979-01-01 to 1979-09-19; source msha-controller-operator-history
- **operator_operates_mine:** H D Rue-Lessee → Hutton Drift; 1979-09-20 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Rue H D → Hutton Drift; 1979-09-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rue H D → H D Rue-Lessee; 1979-09-20 to current/open; source msha-controller-operator-history