# Relationship history for MSHA mine 4801623

Current hierarchy: **Michael  Odegard → Odegard LLC → Crusher No. 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

- **operator_operates_mine:** Odegard LLC → Crusher No. 1; 2002-06-04 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Michael  Odegard → Crusher No. 1; 2002-06-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Michael  Odegard → Odegard LLC; 2002-06-04 to current/open; source msha-controller-operator-history