# Relationship history for MSHA mine 3002551

Current hierarchy: **Warren W  Fane → Warren W Fane Inc → Pegson 1000 Maxtrak**

- 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

- **operator_operates_mine:** Warren W Fane Inc → Pegson 1000 Maxtrak; 1980-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Warren W  Fane → Pegson 1000 Maxtrak; 1980-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Warren W  Fane → Warren W Fane Inc; 1980-07-01 to current/open; source msha-controller-operator-history
