# Relationship history for MSHA mine 3610038

Current hierarchy: **Josa  Vasquez → Josa Vasquez → Hanjaras 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Loch Flagstone Quarries LLC → Hanjaras Quarry; 2012-12-10 to 2016-10-31; source msha-controller-operator-history
- **controller_controls_mine:** William M  Loch → Hanjaras Quarry; 2012-12-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** William M  Loch → Loch Flagstone Quarries LLC; 2012-12-10 to 2016-10-31; source msha-controller-operator-history
- **operator_operates_mine:** Josa Vasquez → Hanjaras Quarry; 2016-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Josa  Vasquez → Hanjaras Quarry; 2016-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Josa  Vasquez → Josa Vasquez; 2016-11-01 to current/open; source msha-controller-operator-history