# Relationship history for MSHA mine 4608139

Current hierarchy: **Barry  Cline → Cline Brothers Mining Inc → No 6 (1)**

- 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:** Carey  Cline et al → No 6 (1); 1982-05-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Cline Brothers Mining Inc → No 6 (1); 1992-02-01 to 1992-08-27; source msha-controller-operator-history
- **controller_controls_operator:** Carey  Cline et al → Cline Brothers Mining Inc; 1992-02-01 to 1992-08-27; source msha-controller-operator-history
- **operator_operates_mine:** Cline Brothers Mining Inc → No 6 (1); 1992-08-28 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Barry  Cline → No 6 (1); 1992-08-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Barry  Cline → Cline Brothers Mining Inc; 1992-08-28 to current/open; source msha-controller-operator-history