# Relationship history for MSHA mine 4503791

Current hierarchy: **Christian  Anderson → Christian Anker Inc → Rock Garden Pateros**

- 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:** Christian Anker Inc → Rock Garden Pateros; 2019-03-05 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Christian  Anderson → Rock Garden Pateros; 2019-03-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Christian  Anderson → Christian Anker Inc; 2019-03-05 to current/open; source msha-controller-operator-history