# Relationship history for MSHA mine 3607562

Current hierarchy: **Wise James R Jr → Wise Mining Company → Wise Mining Co**

- 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:** Wise Mining Company → Wise Mining Co; 1984-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Wise James R Jr → Wise Mining Co; 1984-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Wise James R Jr → Wise Mining Company; 1984-04-01 to current/open; source msha-controller-operator-history