# Relationship history for MSHA mine 0600642

Current hierarchy: **Mucherino Nicholas A → Mucherino Brothers Inc → NEW MILFORD PLANT**

- 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:** Mucherino Nicholas A Et Al → NEW MILFORD PLANT; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Mucherino Brothers Inc → NEW MILFORD PLANT; 1994-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mucherino Nicholas A Et Al → Mucherino Brothers Inc; 1994-12-01 to current/open; source msha-controller-operator-history