# Relationship history for MSHA mine 4608368

Current hierarchy: **Chris  Cline → Robin Resources 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:** Roger  Bell → No 6 (1); 1979-12-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Robin Resources Inc → No 6 (1); 1993-11-01 to 1995-08-28; source msha-controller-operator-history
- **controller_controls_operator:** Roger  Bell → Robin Resources Inc; 1993-11-01 to 1995-08-28; source msha-controller-operator-history
- **controller_controls_mine:** Chris  Cline → No 6 (1); 1994-02-23 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Robin Resources Inc → No 6 (1); 1995-08-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Chris  Cline → Robin Resources Inc; 1995-08-29 to current/open; source msha-controller-operator-history