# Relationship history for MSHA mine 4608807

Current hierarchy: **Chris  Cline → Day Mining Inc → Alma 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

- **controller_controls_mine:** Chris  Cline → Alma Mine; 1996-05-21 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Day Mining Inc → Alma Mine; 1999-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Chris  Cline → Day Mining Inc; 1999-11-01 to current/open; source msha-controller-operator-history