# Relationship history for MSHA mine 1103051

Current hierarchy: **Georgia A  Pavin → Illinois Mining Corporation → PLANT #4 - Northgate-Thayer**

- 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:** Georgia A  Pavin et al → PLANT #4 - Northgate-Thayer; 1997-03-17 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Illinois Mining Corporation → PLANT #4 - Northgate-Thayer; 1999-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Georgia A  Pavin et al → Illinois Mining Corporation; 1999-10-01 to current/open; source msha-controller-operator-history