# Relationship history for MSHA mine 1519140

Current hierarchy: **Greg  Fleenor → Mill Branch Processing Inc → Auger No 1  SN #11**

- 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:** Mill Branch Processing Inc → Auger No 1  SN #11; 2007-08-17 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Greg  Fleenor → Auger No 1  SN #11; 2007-08-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Greg  Fleenor → Mill Branch Processing Inc; 2007-08-17 to current/open; source msha-controller-operator-history