# Relationship history for MSHA mine 5001935

Current hierarchy: **Lukas  Day → Alaska Industrial LLC → Industrial 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:** Alaska Industrial LLC → Industrial Pit; 2010-05-17 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jeffrey  Day → Industrial Pit; 2010-05-17 to 2025-05-31; source msha-controller-operator-history
- **controller_controls_operator:** Jeffrey  Day → Alaska Industrial LLC; 2010-05-17 to 2025-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Lukas  Day → Industrial Pit; 2025-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lukas  Day → Alaska Industrial LLC; 2025-06-01 to current/open; source msha-controller-operator-history