# Relationship history for MSHA mine 2003650

Current hierarchy: **Toni L VandenBos; Peter J VandenBos → Pete's Contracting, Inc. → Pete's Screening Plant #1**

- 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:** Pete's Contracting, Inc. → Pete's Screening Plant #1; 2023-05-31 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Toni L VandenBos et al → Pete's Screening Plant #1; 2023-05-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Toni L VandenBos et al → Pete's Contracting, Inc.; 2023-05-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Peter J VandenBos et al → Pete's Contracting, Inc.; 2023-05-31 to current/open; source msha-controller-operator-history