# Relationship history for MSHA mine 2402147

Current hierarchy: **Jared D  Russell → JD Russell Excavating Inc → Cay Plant**

- 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:** JD Russell Excavating Inc → Cay Plant; 1998-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jared D  Russell → Cay Plant; 1998-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jared D  Russell → JD Russell Excavating Inc; 1998-08-01 to current/open; source msha-controller-operator-history