# Relationship history for MSHA mine 1202221

Current hierarchy: **John W  Jones → J. W. JONES COMPANY LLC → J.W. JONES COMPANY**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-18T09:31:49.615908+00:00

## Valid-time edges

- **controller_controls_mine:** John W  Jones → J.W. JONES COMPANY; 1990-02-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** J. W. JONES COMPANY LLC → J.W. JONES COMPANY; 1997-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John W  Jones → J. W. JONES COMPANY LLC; 1997-10-01 to current/open; source msha-controller-operator-history