# Relationship history for MSHA mine 5002086

Current hierarchy: **Bob E Harr; Sherry L Harr → Golden Vista Mining and Exploration LLC → Golden Vista Mine and Exploration LLC**

- 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:** Golden Vista Mining and Exploration LLC → Golden Vista Mine and Exploration LLC; 2021-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Bob E Harr et al → Golden Vista Mine and Exploration LLC; 2021-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bob E Harr et al → Golden Vista Mining and Exploration LLC; 2021-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Sherry L Harr et al → Golden Vista Mining and Exploration LLC; 2021-10-01 to current/open; source msha-controller-operator-history