# Relationship history for MSHA mine 4503828

Current hierarchy: **Anton P Cebe; Kimberly A Cebe → Lavinal Inc → Lavinal**

- 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:** Lavinal Inc → Lavinal; 2021-09-29 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Kimberly A Cebe et al → Lavinal; 2021-09-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kimberly A Cebe et al → Lavinal Inc; 2021-09-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Anton P Cebe et al → Lavinal Inc; 2021-09-29 to current/open; source msha-controller-operator-history