# Relationship history for MSHA mine 4003133

Current hierarchy: **Bob  Stout → S & S Paving & Materials Inc → S & S PAVING & MATERIALS, INC.**

- 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:** S & S Paving & Materials Inc → S & S PAVING & MATERIALS, INC.; 1998-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Bob  Stout → S & S PAVING & MATERIALS, INC.; 1998-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bob  Stout → S & S Paving & Materials Inc; 1998-08-01 to current/open; source msha-controller-operator-history
