# Relationship history for MSHA mine 4703168

Current hierarchy: **Brian  Pitlik; Scott  Wick → Pitlik & Wick, Inc. → Phillips Wash Plant**

- 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:** Brian  Pitlik et al → Phillips Wash Plant; 1950-01-01 to 2022-01-17; source msha-controller-operator-history
- **controller_controls_mine:** Kent  Pitlik et al → Phillips Wash Plant; 1998-10-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Northern Lakes Concrete, Inc. → Phillips Wash Plant; 1998-11-01 to 2014-02-05; source msha-controller-operator-history
- **controller_controls_operator:** Kent  Pitlik et al → Northern Lakes Concrete, Inc.; 1998-11-01 to 2014-02-05; source msha-controller-operator-history
- **controller_controls_operator:** Brian  Pitlik et al → Northern Lakes Concrete, Inc.; 1998-11-01 to 2014-02-05; source msha-controller-operator-history
- **operator_operates_mine:** Pitlik & Wick, Inc. → Phillips Wash Plant; 2014-02-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Brian  Pitlik et al → Pitlik & Wick, Inc.; 2014-02-06 to 2022-01-17; source msha-controller-operator-history
- **controller_controls_operator:** Kent  Pitlik et al → Pitlik & Wick, Inc.; 2014-02-06 to 2022-01-17; source msha-controller-operator-history
- **controller_controls_mine:** Brian  Pitlik et al → Phillips Wash Plant; 2022-01-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Brian  Pitlik et al → Pitlik & Wick, Inc.; 2022-01-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Scott  Wick et al → Pitlik & Wick, Inc.; 2022-01-18 to current/open; source msha-controller-operator-history