# Relationship history for MSHA mine 2700053

Current hierarchy: **VINCI Group → Eurovia Altantic Coast LLC → Cold River Materials Walpole 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

- **controller_controls_mine:** Lane Industries Inc → Cold River Materials Walpole Quarry; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Frank W Whitcomb Construction Corp → Cold River Materials Walpole Quarry; 1950-01-01 to 1997-03-30; source msha-controller-operator-history
- **controller_controls_mine:** Frank  Whitcomb → Cold River Materials Walpole Quarry; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Frank  Whitcomb → Frank W Whitcomb Construction Corp; 1950-01-01 to 1997-03-30; source msha-controller-operator-history
- **operator_operates_mine:** Cold River Materials-Div/Lane Construction Corp → Cold River Materials Walpole Quarry; 1997-03-31 to 2001-08-31; source msha-controller-operator-history
- **controller_controls_mine:** Lane Industries Inc → Cold River Materials Walpole Quarry; 1997-03-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lane Industries Inc → Cold River Materials-Div/Lane Construction Corp; 1997-03-31 to 2001-08-31; source msha-controller-operator-history
- **operator_operates_mine:** Lane Construction Corporation → Cold River Materials Walpole Quarry; 2001-09-01 to 2018-12-11; source msha-controller-operator-history
- **controller_controls_operator:** Lane Industries Inc → Lane Construction Corporation; 2001-09-01 to 2018-12-11; source msha-controller-operator-history
- **operator_operates_mine:** Eurovia Altantic Coast LLC → Cold River Materials Walpole Quarry; 2018-12-12 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** VINCI Group → Cold River Materials Walpole Quarry; 2018-12-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** VINCI Group → Eurovia Altantic Coast LLC; 2018-12-12 to current/open; source msha-controller-operator-history