# Relationship history for MSHA mine 5001932

Current hierarchy: **Stephen  Vincent → Goldrich Mining Company → Little Squaw Creek**

- 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:** Goldrich Mining Company → Little Squaw Creek; 2010-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** William V  Schara et al → Little Squaw Creek; 2010-06-01 to 2024-01-07; source msha-controller-operator-history
- **controller_controls_operator:** William V  Schara et al → Goldrich Mining Company; 2010-06-01 to 2024-01-07; source msha-controller-operator-history
- **controller_controls_mine:** Stephen  Vincent → Little Squaw Creek; 2024-01-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Stephen  Vincent → Goldrich Mining Company; 2024-01-08 to current/open; source msha-controller-operator-history