# Relationship history for MSHA mine 2200086

Current hierarchy: **Schneider Earl Jr → Brookhaven Pressed Brick Company Inc → Brookhaven Mine And 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** Brookhaven Pressed Brick Company Inc → Brookhaven Mine And Plant; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Schneider Earl Jr → Brookhaven Mine And Plant; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Schneider Earl Jr → Brookhaven Pressed Brick Company Inc; 1950-01-01 to current/open; source msha-controller-operator-history