# Relationship history for MSHA mine 4105643

Current hierarchy: **Dan  Caballero → Mother Earth Materials → Mother Earth**

- 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:** Mother Earth Materials → Mother Earth; 2022-10-03 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Dan  Caballero → Mother Earth; 2022-10-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Dan  Caballero → Mother Earth Materials; 2022-10-03 to current/open; source msha-controller-operator-history