# Relationship history for MSHA mine 3003993

Current hierarchy: **Dan  Clemente → Troy Sand and Gravel → PROVIDENCE 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:** Jude  Clemente → PROVIDENCE QUARRY; 1950-01-01 to 2023-01-29; source msha-controller-operator-history
- **controller_controls_mine:** W J  Bokus → PROVIDENCE QUARRY; 1984-02-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** W.J. Bokus Industries Inc. → PROVIDENCE QUARRY; 2017-05-01 to 2022-08-30; source msha-controller-operator-history
- **controller_controls_operator:** W J  Bokus → W.J. Bokus Industries Inc.; 2017-05-01 to 2022-08-30; source msha-controller-operator-history
- **operator_operates_mine:** Troy Sand and Gravel → PROVIDENCE QUARRY; 2022-08-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jude  Clemente → Troy Sand and Gravel; 2022-08-31 to 2023-01-29; source msha-controller-operator-history
- **controller_controls_mine:** Dan  Clemente → PROVIDENCE QUARRY; 2023-01-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Dan  Clemente → Troy Sand and Gravel; 2023-01-30 to current/open; source msha-controller-operator-history