# Relationship history for MSHA mine 3000765

Current hierarchy: **Frank A  Clemente → Clemente Latham Concrete Corp → Rupert Road Pit**

- 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:** Albany Gravel Company → Rupert Road Pit; 1950-01-01 to 1986-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Joseph A  Valente → Rupert Road Pit; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Joseph A  Valente → Albany Gravel Company; 1950-01-01 to 1986-12-31; source msha-controller-operator-history
- **operator_operates_mine:** Clemente Latham Concrete Corp → Rupert Road Pit; 1987-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Frank A  Clemente → Rupert Road Pit; 1987-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Frank A  Clemente → Clemente Latham Concrete Corp; 1987-01-01 to current/open; source msha-controller-operator-history
