# Relationship history for MSHA mine 1201945

Current hierarchy: **Mel (Van)  Villines → Genesis Auger Company → Genesis 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** Genesis Auger Company → Genesis No 1; 1984-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Mel (Van)  Villines → Genesis No 1; 1984-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mel (Van)  Villines → Genesis Auger Company; 1984-06-01 to current/open; source msha-controller-operator-history