# Relationship history for MSHA mine 4608589

Current hierarchy: **Magnum Coal Company → Dakota LLC → 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:** Dakota Mining Inc → No 2 Mine; 1996-09-01 to 2003-07-02; source msha-controller-operator-history
- **controller_controls_mine:** Chris  Cline → No 2 Mine; 1996-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Chris  Cline → Dakota Mining Inc; 1996-09-01 to 2003-07-02; source msha-controller-operator-history
- **operator_operates_mine:** Dakota LLC → No 2 Mine; 2003-07-03 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Rainbow Trout Coal LLC → No 2 Mine; 2003-07-03 to 2006-05-18; source msha-controller-operator-history
- **controller_controls_operator:** Rainbow Trout Coal LLC → Dakota LLC; 2003-07-03 to 2006-05-18; source msha-controller-operator-history
- **controller_controls_mine:** Magnum Coal Company → No 2 Mine; 2006-05-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Magnum Coal Company → Dakota LLC; 2006-05-19 to current/open; source msha-controller-operator-history