# Relationship history for MSHA mine 1302417

Current hierarchy: **John P  Moyna → C. J. Moyna & Sons, LLC. → Portable Jaw Plant #3**

- 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:** John P  Moyna → Portable Jaw Plant #3; 2003-02-25 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** C. J. Moyna & Sons, LLC. → Portable Jaw Plant #3; 2010-05-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John P  Moyna → C. J. Moyna & Sons, LLC.; 2010-05-17 to current/open; source msha-controller-operator-history
