# Relationship history for MSHA mine 3003215

Current hierarchy: **Edwin A  Wade → Wades Coal & Concrete Inc → WADE RATHBONE 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:** Wades Coal & Concrete Inc → WADE RATHBONE PIT; 1998-02-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Edwin A  Wade → WADE RATHBONE PIT; 1998-02-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Edwin A  Wade → Wades Coal & Concrete Inc; 1998-02-01 to current/open; source msha-controller-operator-history