# Relationship history for MSHA mine 4604576

Current hierarchy: **Justice D Joe → Shaybeth Mining Inc → No 2 Mine**

- 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:** Justice D Joe → No 2 Mine; 1974-09-03 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Shaybeth Mining Inc → No 2 Mine; 1975-04-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Justice D Joe → Shaybeth Mining Inc; 1975-04-28 to current/open; source msha-controller-operator-history