# Relationship history for MSHA mine 3003106

Current hierarchy: **Roderick J  Valente → RJ Valente Gravel → RJ Valente gravel**

- 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

- **controller_controls_mine:** Roderick J  Valente → RJ Valente gravel; 1990-10-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Luther Forest Corp → RJ Valente gravel; 1993-12-01 to 2002-04-21; source msha-controller-operator-history
- **controller_controls_mine:** Alexander L  Mackay → RJ Valente gravel; 1993-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alexander L  Mackay → Luther Forest Corp; 1993-12-01 to 2002-04-21; source msha-controller-operator-history
- **operator_operates_mine:** Lucarelli Sand & Gravel Inc. → RJ Valente gravel; 2002-04-22 to 2018-05-01; source msha-controller-operator-history
- **controller_controls_mine:** John A  Lucarelli → RJ Valente gravel; 2002-04-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John A  Lucarelli → Lucarelli Sand & Gravel Inc.; 2002-04-22 to 2018-05-01; source msha-controller-operator-history
- **operator_operates_mine:** RJ Valente Gravel → RJ Valente gravel; 2018-05-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Roderick J  Valente → RJ Valente Gravel; 2018-05-02 to current/open; source msha-controller-operator-history