# Relationship history for MSHA mine 3102322

Current hierarchy: **VINCI Group → Blythe Construction Inc. → Shelby Pit / Grover Pit**

- 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

- **controller_controls_mine:** Lane Industries Inc → Shelby Pit / Grover Pit; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** The Lane Construction Corporation → Shelby Pit / Grover Pit; 2018-05-01 to 2019-06-02; source msha-controller-operator-history
- **controller_controls_operator:** Lane Industries Inc → The Lane Construction Corporation; 2018-05-01 to 2019-06-02; source msha-controller-operator-history
- **operator_operates_mine:** Blythe Construction Inc. → Shelby Pit / Grover Pit; 2019-06-03 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** VINCI Group → Shelby Pit / Grover Pit; 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