# Relationship history for MSHA mine 5001802

Current hierarchy: **Judy A  Martinson → Freedom Resources, LLC → MS 1890**

- 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:** Freedom Resources, LLC → MS 1890; 2004-07-19 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Judy A  Martinson → MS 1890; 2004-07-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Judy A  Martinson → Freedom Resources, LLC; 2004-07-19 to current/open; source msha-controller-operator-history