# Relationship history for MSHA mine 0301684

Current hierarchy: **Belcher Steve → Steve Belcher → Maldin Mountain**

- 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:** David James → Maldin Mountain; 1989-11-01 to 1990-01-23; source msha-controller-operator-history
- **controller_controls_mine:** James David → Maldin Mountain; 1989-11-01 to 1990-01-23; source msha-controller-operator-history
- **controller_controls_operator:** James David → David James; 1989-11-01 to 1990-01-23; source msha-controller-operator-history
- **operator_operates_mine:** Steve Belcher → Maldin Mountain; 1990-01-24 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Belcher Steve → Maldin Mountain; 1990-01-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Belcher Steve → Steve Belcher; 1990-01-24 to current/open; source msha-controller-operator-history