# Relationship history for MSHA mine 1701157

Current hierarchy: **S C Holdings Inc → SARGENT CORPORATION → Terex Finlay Screen**

- 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

- **controller_controls_mine:** S C Holdings Inc → Terex Finlay Screen; 1997-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Kevin L  Vining → Terex Finlay Screen; 2004-04-20 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** E L Vining & Son, Inc. → Terex Finlay Screen; 2025-04-11 to 2025-12-15; source msha-controller-operator-history
- **controller_controls_operator:** Kevin L  Vining → E L Vining & Son, Inc.; 2025-04-11 to 2025-12-15; source msha-controller-operator-history
- **operator_operates_mine:** SARGENT CORPORATION → Terex Finlay Screen; 2025-12-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** S C Holdings Inc → SARGENT CORPORATION; 2025-12-16 to current/open; source msha-controller-operator-history