# Relationship history for MSHA mine 2103550

Current hierarchy: **Barney J.  Flueger; Kevin C.  Flueger → Flueger Construction, Inc. → Flueger Quarry**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** Flueger Construction, Inc. → Flueger Quarry; 2006-08-02 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Kevin C.  Flueger et al → Flueger Quarry; 2006-08-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kevin C.  Flueger et al → Flueger Construction, Inc.; 2006-08-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Barney J.  Flueger et al → Flueger Construction, Inc.; 2006-08-02 to current/open; source msha-controller-operator-history