# Relationship history for MSHA mine 2902552

Current hierarchy: **Jim S  Mitchell → J & H Services Inc → Cactus 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

- **controller_controls_mine:** Jim S  Mitchell → Cactus Pit; 2008-05-28 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** J & H Services Inc → Cactus Pit; 2023-07-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jim S  Mitchell → J & H Services Inc; 2023-07-18 to current/open; source msha-controller-operator-history