# Relationship history for MSHA mine 5400271

Current hierarchy: **Francisco  Juelle → Metro Industries Inc → AGREGADOS MONTE CLARO, INC.**

- 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:** Metro Industries Inc → AGREGADOS MONTE CLARO, INC.; 1983-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Francisco  Juelle  et al → AGREGADOS MONTE CLARO, INC.; 1983-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Francisco  Juelle  et al → Metro Industries Inc; 1983-01-01 to current/open; source msha-controller-operator-history