# Relationship history for MSHA mine 4104804

Current hierarchy: **Francisco  Dominguez → Francisco Dominguez → Cero del Milagro Leah**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Francisco Dominguez → Cero del Milagro Leah; 2009-11-05 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Francisco  Dominguez → Cero del Milagro Leah; 2009-11-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Francisco  Dominguez → Francisco Dominguez; 2009-11-05 to current/open; source msha-controller-operator-history