# Relationship history for MSHA mine 1516477

Current hierarchy: **Aubra P  Dean; Carl E  McAfee → Lj'S Coal Corp → No 3 Mine**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Aubra P  Dean et al → No 3 Mine; 1982-11-23 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Lj'S Coal Corp → No 3 Mine; 1988-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Aubra P  Dean et al → Lj'S Coal Corp; 1988-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Carl E  McAfee et al → Lj'S Coal Corp; 1988-09-01 to current/open; source msha-controller-operator-history