# Relationship history for MSHA mine 4002205

Current hierarchy: **Mishpacha Power Company → Shu-Ter Mining Company → No 5 Surface**

- 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:** Mishpacha Power Company → No 5 Surface; 1976-11-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Shu-Ter Mining Company → No 5 Surface; 1977-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mishpacha Power Company → Shu-Ter Mining Company; 1977-03-01 to current/open; source msha-controller-operator-history