# Relationship history for MSHA mine 5400180

Current hierarchy: **Luis F  Avila → Luis F. Avila → CANTERA AVILA**

- 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:** Luis F. Avila → CANTERA AVILA; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Luis F  Avila → CANTERA AVILA; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Luis F  Avila → Luis F. Avila; 1950-01-01 to current/open; source msha-controller-operator-history