# Relationship history for MSHA mine 2402811

Current hierarchy: **James G  Carney → James Carney Construction → James Crushing**

- 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:** James G  Carney → James Crushing; 2000-09-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** James Carney Construction → James Crushing; 2024-10-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James G  Carney → James Carney Construction; 2024-10-03 to current/open; source msha-controller-operator-history