# Relationship history for MSHA mine 4406742

Current hierarchy: **Barnette Dennis A → Kodiak Mining Company → #7 Dwale Job**

- 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:** Barnette Dennis A → #7 Dwale Job; 1986-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Clisso Willie → #7 Dwale Job; 1987-08-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Kodiak Mining Company → #7 Dwale Job; 1993-06-01 to 1993-07-11; source msha-controller-operator-history
- **controller_controls_operator:** Barnette Dennis A → Kodiak Mining Company; 1993-06-01 to 1993-07-11; source msha-controller-operator-history
- **operator_operates_mine:** Victor Contracting Corp → #7 Dwale Job; 1993-07-12 to 1993-08-15; source msha-controller-operator-history
- **controller_controls_operator:** Clisso Willie → Victor Contracting Corp; 1993-07-12 to 1993-08-15; source msha-controller-operator-history
- **operator_operates_mine:** Kodiak Mining Company → #7 Dwale Job; 1993-08-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Barnette Dennis A → Kodiak Mining Company; 1993-08-16 to current/open; source msha-controller-operator-history