# Relationship history for MSHA mine 2401634

Current hierarchy: **James & Kruse → James & Kruse → Golden Age**

- 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

- **operator_operates_mine:** James & Kruse → Golden Age; 1981-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** James & Kruse → Golden Age; 1981-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James & Kruse → James & Kruse; 1981-07-01 to current/open; source msha-controller-operator-history