# Relationship history for MSHA mine 3401412

Current hierarchy: **David E  Baker → Mill Creek Mining Inc → Scullin 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

- **controller_controls_mine:** Oke-Iron → Scullin Pit; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Oke-Iron → Scullin Pit; 1983-06-01 to 1986-12-15; source msha-controller-operator-history
- **controller_controls_operator:** Oke-Iron → Oke-Iron; 1983-06-01 to 1986-12-15; source msha-controller-operator-history
- **operator_operates_mine:** Mill Creek Mining Inc → Scullin Pit; 1986-12-16 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** David E  Baker → Scullin Pit; 1986-12-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** David E  Baker → Mill Creek Mining Inc; 1986-12-16 to current/open; source msha-controller-operator-history