# Relationship history for MSHA mine 0203312

Current hierarchy: **Lucretia  Emmett; John  Emmett → The Silver Queen Mine LLC → Silver Queen Mine**

- 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:** The Silver Queen Mine LLC → Silver Queen Mine; 2013-01-10 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Lucretia  Emmett et al → Silver Queen Mine; 2013-01-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lucretia  Emmett et al → The Silver Queen Mine LLC; 2013-01-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John  Emmett et al → The Silver Queen Mine LLC; 2013-01-10 to current/open; source msha-controller-operator-history