# Relationship history for MSHA mine 0405333

Current hierarchy: **Robert F  Hatch → Central Valley Resources Llc → CENTRAL VALLEY RESOURCES**

- 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:** Central Valley Resources Llc → CENTRAL VALLEY RESOURCES; 1998-02-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Robert F  Hatch → CENTRAL VALLEY RESOURCES; 1998-02-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert F  Hatch → Central Valley Resources Llc; 1998-02-01 to current/open; source msha-controller-operator-history
