# Relationship history for MSHA mine 1400425

Current hierarchy: **Jamie D  Renshaw → Beatrice Concrete Company Inc → Haynes Sand**

- 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:** Haynes Concrete Inc → Haynes Sand; 1950-01-01 to 1987-04-05; source msha-controller-operator-history
- **controller_controls_mine:** Haynes Concrete Inc → Haynes Sand; 1950-01-01 to 1987-04-05; source msha-controller-operator-history
- **controller_controls_operator:** Haynes Concrete Inc → Haynes Concrete Inc; 1950-01-01 to 1987-04-05; source msha-controller-operator-history
- **operator_operates_mine:** Beatrice Concrete Company Inc → Haynes Sand; 1987-04-06 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jamie D  Renshaw → Haynes Sand; 1987-04-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jamie D  Renshaw → Beatrice Concrete Company Inc; 1987-04-06 to current/open; source msha-controller-operator-history