# Relationship history for MSHA mine 3610429

Current hierarchy: **Jaime W  Marin → Marin Stone Quarries LLC → Valentine 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

- **controller_controls_mine:** Jaime W  Marin → Valentine Quarry; 2017-10-04 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Marin Stone Quarries LLC → Valentine Quarry; 2023-09-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jaime W  Marin → Marin Stone Quarries LLC; 2023-09-07 to current/open; source msha-controller-operator-history