# Relationship history for MSHA mine 0103328

Current hierarchy: **Thomas E Mitchell → Temco Mining → Foley 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:** Temco Mining → Foley Pit; 2005-07-21 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Thomas E Mitchell → Foley Pit; 2005-07-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Thomas E Mitchell → Temco Mining; 2005-07-21 to current/open; source msha-controller-operator-history