# Relationship history for MSHA mine 4702520

Current hierarchy: **Brian  Pitlik; Scott  Wick → Pitlik & Wick Inc → Vilas County Pits**

- 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:** Pitlik & Wick Inc → Vilas County Pits; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Kent  Pitlik et al → Vilas County Pits; 1950-01-01 to 2022-01-17; source msha-controller-operator-history
- **controller_controls_operator:** Kent  Pitlik et al → Pitlik & Wick Inc; 1950-01-01 to 2022-01-17; source msha-controller-operator-history
- **controller_controls_operator:** Brian  Pitlik et al → Pitlik & Wick Inc; 1950-01-01 to 2022-01-17; source msha-controller-operator-history
- **controller_controls_mine:** Brian  Pitlik et al → Vilas County Pits; 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