# Relationship history for MSHA mine 3003926

Current hierarchy: **Samuel  Benitez → DEVONIAN STONE OF NEW YORK INC → DECKER 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:** Robert E  Bellospirito → DECKER QUARRY; 1999-03-01 to 2017-02-08; source msha-controller-operator-history
- **operator_operates_mine:** DEVONIAN STONE OF NEW YORK INC → DECKER QUARRY; 2014-07-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert E  Bellospirito → DEVONIAN STONE OF NEW YORK INC; 2014-07-31 to 2017-02-08; source msha-controller-operator-history
- **controller_controls_mine:** Tejpal  Sandhu → DECKER QUARRY; 2017-02-09 to 2017-10-05; source msha-controller-operator-history
- **controller_controls_operator:** Tejpal  Sandhu → DEVONIAN STONE OF NEW YORK INC; 2017-02-09 to 2017-10-05; source msha-controller-operator-history
- **controller_controls_mine:** Caitriona  Sandhu → DECKER QUARRY; 2017-10-06 to 2019-03-12; source msha-controller-operator-history
- **controller_controls_operator:** Caitriona  Sandhu → DEVONIAN STONE OF NEW YORK INC; 2017-10-06 to 2019-03-12; source msha-controller-operator-history
- **controller_controls_mine:** Samuel  Benitez → DECKER QUARRY; 2019-03-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Samuel  Benitez → DEVONIAN STONE OF NEW YORK INC; 2019-03-13 to current/open; source msha-controller-operator-history