# Relationship history for MSHA mine 3401834

Current hierarchy: **James A  Duit → Duit Construction Company Inc → Eagle 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

- **controller_controls_mine:** James A  Duit → Eagle Plant; 1997-12-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Duit Construction Company Inc → Eagle Plant; 1999-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James A  Duit → Duit Construction Company Inc; 1999-12-01 to current/open; source msha-controller-operator-history