# Relationship history for MSHA mine 3609845

Current hierarchy: **Enrique E  Vasquez → VASQUEZ STONE SUPPLY LLC → CARTER 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:** Murray Stone → CARTER QUARRY; 2010-03-31 to 2020-03-24; source msha-controller-operator-history
- **controller_controls_mine:** Edward J  Murray → CARTER QUARRY; 2010-03-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Edward J  Murray → Murray Stone; 2010-03-31 to 2020-03-24; source msha-controller-operator-history
- **controller_controls_mine:** Enrique E  Vasquez → CARTER QUARRY; 2014-10-08 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Vandemark Stone → CARTER QUARRY; 2020-03-25 to 2021-08-22; source msha-controller-operator-history
- **controller_controls_mine:** Mathew R  Vandemark → CARTER QUARRY; 2020-03-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mathew R  Vandemark → Vandemark Stone; 2020-03-25 to 2021-08-22; source msha-controller-operator-history
- **operator_operates_mine:** D & L Stone Supply LLC → CARTER QUARRY; 2021-08-23 to 2022-08-09; source msha-controller-operator-history
- **controller_controls_mine:** Luis R  Vasquez → CARTER QUARRY; 2021-08-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Luis R  Vasquez → D & L Stone Supply LLC; 2021-08-23 to 2022-08-09; source msha-controller-operator-history
- **operator_operates_mine:** Vasquez Stone Supply LLC → CARTER QUARRY; 2022-08-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Enrique E  Vasquez → Vasquez Stone Supply LLC; 2022-08-10 to current/open; source msha-controller-operator-history