# Relationship history for MSHA mine 4606276

Current hierarchy: **Richard T  Hatfield; James E  Hatfield → Cline'S Coals Inc → No 2 Mine**

- 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:** Cline'S Coals Inc → No 2 Mine; 1980-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Richard T  Hatfield et al → No 2 Mine; 1980-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Richard T  Hatfield et al → Cline'S Coals Inc; 1980-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James E  Hatfield et al → Cline'S Coals Inc; 1980-12-01 to current/open; source msha-controller-operator-history