# Relationship history for MSHA mine 3101515

Current hierarchy: **VINCI Group → Blythe Construction Inc. → GASTON COUNTY MINES**

- 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 → GASTON COUNTY MINES; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Rea Construction Company → GASTON COUNTY MINES; 1950-01-01 to 2003-10-30; source msha-controller-operator-history
- **controller_controls_mine:** Philipp Holzmann A G → GASTON COUNTY MINES; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Philipp Holzmann A G → Rea Construction Company; 1950-01-01 to 2003-10-30; source msha-controller-operator-history
- **operator_operates_mine:** Rea Contracting LLC → GASTON COUNTY MINES; 2003-10-31 to 2012-05-01; source msha-controller-operator-history
- **controller_controls_mine:** Lane Industries Inc → GASTON COUNTY MINES; 2003-10-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lane Industries Inc → Rea Contracting LLC; 2003-10-31 to 2012-05-01; source msha-controller-operator-history
- **operator_operates_mine:** Lane Construction Corporation → GASTON COUNTY MINES; 2012-05-02 to 2019-06-02; source msha-controller-operator-history
- **controller_controls_operator:** Lane Industries Inc → Lane Construction Corporation; 2012-05-02 to 2019-06-02; source msha-controller-operator-history
- **operator_operates_mine:** Blythe Construction Inc. → GASTON COUNTY MINES; 2019-06-03 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** VINCI Group → GASTON COUNTY MINES; 2019-06-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** VINCI Group → Blythe Construction Inc.; 2019-06-03 to current/open; source msha-controller-operator-history
