# Relationship history for MSHA mine 4300337

Current hierarchy: **Meunier Paul & Denis → Jean Meunier Construction Inc → Coventry 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:** Jean Meunier Construction Inc → Coventry Pit; 1980-03-01 to 1987-08-11; source msha-controller-operator-history
- **controller_controls_mine:** Meunier Laurette → Coventry Pit; 1980-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Meunier Laurette → Jean Meunier Construction Inc; 1980-03-01 to 1987-08-11; source msha-controller-operator-history
- **operator_operates_mine:** Jean Meunier Construction Inc → Coventry Pit; 1987-08-12 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Meunier Paul & Denis → Coventry Pit; 1987-08-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Meunier Paul & Denis → Jean Meunier Construction Inc; 1987-08-12 to current/open; source msha-controller-operator-history