# Relationship history for MSHA mine 2103386

Current hierarchy: **Glen R Mathiowetz; Matt  Mathiowetz → M.R. Paving & Excavating, Inc. → Wash Plant & Screener**

- 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:** Timothy C  Rahe → Wash Plant & Screener; 1995-03-22 to 2023-01-31; source msha-controller-operator-history
- **operator_operates_mine:** M.R. Paving & Excavating, Inc. → Wash Plant & Screener; 2003-08-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Timothy C  Rahe → M.R. Paving & Excavating, Inc.; 2003-08-27 to 2023-01-31; source msha-controller-operator-history
- **controller_controls_mine:** Matt  Mathiowetz et al → Wash Plant & Screener; 2023-02-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Matt  Mathiowetz et al → M.R. Paving & Excavating, Inc.; 2023-02-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Glen R Mathiowetz et al → M.R. Paving & Excavating, Inc.; 2023-02-01 to current/open; source msha-controller-operator-history