# Relationship history for MSHA mine 3402227

Current hierarchy: **Flaviano  Quinones; Manuela  Quinones → Universal Stone LLC → Mine 1**

- 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:** Universal Stone LLC → Mine 1; 2022-09-13 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Flaviano  Quinones et al → Mine 1; 2022-09-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Flaviano  Quinones et al → Universal Stone LLC; 2022-09-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Manuela  Quinones et al → Universal Stone LLC; 2022-09-13 to current/open; source msha-controller-operator-history