# Relationship history for MSHA mine 2402413

Current hierarchy: **Kelly S Stenerson → Stenerson Bros Excavating → Stenerson Bros Pit**

- 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:** Stenerson Bros Excavating → Stenerson Bros Pit; 2005-07-05 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Kelly S Stenerson → Stenerson Bros Pit; 2005-07-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kelly S Stenerson → Stenerson Bros Excavating; 2005-07-05 to current/open; source msha-controller-operator-history