# Relationship history for MSHA mine 0103514

Current hierarchy: **Jimmy  Hutton → Aggrastone → Long 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:** Aggrastone → Long Pit; 2018-03-06 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jimmy  Hutton → Long Pit; 2018-03-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jimmy  Hutton → Aggrastone; 2018-03-06 to current/open; source msha-controller-operator-history