# Relationship history for MSHA mine 5400371

Current hierarchy: **Isreal  Quintana; Jorge  Rodriguez → Cidra Excavation S E → CANTERA SANTA ROSA**

- 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:** Cidra Excavation S E → CANTERA SANTA ROSA; 1995-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Isreal  Quintana  et al → CANTERA SANTA ROSA; 1995-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Isreal  Quintana  et al → Cidra Excavation S E; 1995-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jorge  Rodriguez  et al → Cidra Excavation S E; 1995-06-01 to current/open; source msha-controller-operator-history