# Relationship history for MSHA mine 2402310

Current hierarchy: **Thomas W  Stokes → Stokes Excavation Inc. → Stokes Excavation Inc.**

- 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:** Stokes Excavation Inc. → Stokes Excavation Inc.; 2002-12-12 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Thomas W  Stokes → Stokes Excavation Inc.; 2002-12-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Thomas W  Stokes → Stokes Excavation Inc.; 2002-12-12 to current/open; source msha-controller-operator-history