# Relationship history for MSHA mine 2602527

Current hierarchy: **Vector Minerals LLC → Vector Mining Inc. → Dun Glen 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:** Vector Mining Inc. → Dun Glen Mine; 2003-10-30 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Vector Minerals LLC → Dun Glen Mine; 2003-10-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Vector Minerals LLC → Vector Mining Inc.; 2003-10-30 to current/open; source msha-controller-operator-history
