# Relationship history for MSHA mine 1700847

Current hierarchy: **VINCI Group → Eurovia Atlantic Coast LLC → Washington Crusher**

- 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:** Lane Industries Inc → Washington Crusher; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** The Lane Construction Corporation → Washington Crusher; 2009-02-03 to 2018-12-11; source msha-controller-operator-history
- **controller_controls_operator:** Lane Industries Inc → The Lane Construction Corporation; 2009-02-03 to 2018-12-11; source msha-controller-operator-history
- **operator_operates_mine:** Eurovia Atlantic Coast LLC → Washington Crusher; 2018-12-12 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** VINCI Group → Washington Crusher; 2018-12-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** VINCI Group → Eurovia Atlantic Coast LLC; 2018-12-12 to current/open; source msha-controller-operator-history