# Relationship history for MSHA mine 4701422

Current hierarchy: **Oswald R  Kinas → Linck Aggregates, Inc. → Linck-WP**

- 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:** C C Linck Inc → Linck-WP; 1950-01-01 to 2002-06-30; source msha-controller-operator-history
- **controller_controls_mine:** Chet C  Linck → Linck-WP; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Chet C  Linck → C C Linck Inc; 1950-01-01 to 2002-06-30; source msha-controller-operator-history
- **operator_operates_mine:** Linck Aggregates, Inc. → Linck-WP; 2002-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Donald E  Kinas Jr. → Linck-WP; 2002-07-01 to 2003-04-20; source msha-controller-operator-history
- **controller_controls_operator:** Donald E  Kinas Jr. → Linck Aggregates, Inc.; 2002-07-01 to 2003-04-20; source msha-controller-operator-history
- **controller_controls_mine:** Oswald R  Kinas → Linck-WP; 2003-04-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Oswald R  Kinas → Linck Aggregates, Inc.; 2003-04-21 to current/open; source msha-controller-operator-history