# Relationship history for MSHA mine 1515413

Current hierarchy: **Herring (James) Mike → Herring Construction Company → Herring 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:** Herring (James) Mike → Herring Mine; 1983-03-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Herring Construction Company → Herring Mine; 1985-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Herring (James) Mike → Herring Construction Company; 1985-10-01 to current/open; source msha-controller-operator-history