# Relationship history for MSHA mine 1601419

Current hierarchy: **Lyman L  Fleniken Jr → Fleniken Sand & Gravel, Inc. → Kent III Lease**

- 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

- **controller_controls_mine:** Aubry L  Barber III  et al → Kent III Lease; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Lyman L  Fleniken Jr → Kent III Lease; 1985-10-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Barber Brothers Contracting Co LLC → Kent III Lease; 2004-11-01 to 2016-02-17; source msha-controller-operator-history
- **controller_controls_operator:** Aubry L  Barber III  et al → Barber Brothers Contracting Co LLC; 2004-11-01 to 2016-02-17; source msha-controller-operator-history
- **controller_controls_operator:** Lionel H  Barber  et al → Barber Brothers Contracting Co LLC; 2004-11-01 to 2016-02-17; source msha-controller-operator-history
- **operator_operates_mine:** Fleniken Sand & Gravel, Inc. → Kent III Lease; 2016-02-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lyman L  Fleniken Jr → Fleniken Sand & Gravel, Inc.; 2016-02-18 to current/open; source msha-controller-operator-history