# Relationship history for MSHA mine 1701146

Current hierarchy: **Travis  Wilson → Wilson Construction & Landscaping Inc → 341 Rock Quarry**

- 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:** Wilson Construction & Landscaping Inc → 341 Rock Quarry; 2024-11-25 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Travis  Wilson → 341 Rock Quarry; 2024-11-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Travis  Wilson → Wilson Construction & Landscaping Inc; 2024-11-25 to current/open; source msha-controller-operator-history