# Relationship history for MSHA mine 4703696

Current hierarchy: **Scott A  Skinkis → Highway Landscapers, Inc. → Kolberg 241 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

- **operator_operates_mine:** Highway Landscapers Inc. → Kolberg 241 Screener; 2013-09-05 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Scott A  Skinkis → Kolberg 241 Screener; 2013-09-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Scott A  Skinkis → Highway Landscapers Inc.; 2013-09-05 to current/open; source msha-controller-operator-history