# Relationship history for MSHA mine 4801918

Current hierarchy: **Garrett  Lynch; Cale  Collins → Collins Quarry And Construction LLC → Collins Quarry**

- 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:** Collins Quarry And Construction LLC → Collins Quarry; 2026-07-15 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Garrett  Lynch et al → Collins Quarry; 2026-07-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Garrett  Lynch et al → Collins Quarry And Construction LLC; 2026-07-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cale  Collins et al → Collins Quarry And Construction LLC; 2026-07-15 to current/open; source msha-controller-operator-history