# Relationship history for MSHA mine 2302125

Current hierarchy: **Leo  Journagan → Leo Journagan Construction Company Inc → Journagan Portable #45**

- 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:** Leo  Journagan → Journagan Portable #45; 1978-03-09 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Leo Journagan Construction Company Inc → Journagan Portable #45; 1995-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Leo  Journagan → Leo Journagan Construction Company Inc; 1995-06-01 to current/open; source msha-controller-operator-history