# Relationship history for MSHA mine 5400440

Current hierarchy: **Jose M  Guevara Jr → J F Associates Inc → CANTERA LERIOS**

- 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

- **controller_controls_mine:** Jose M  Guevara Jr → CANTERA LERIOS; 1986-12-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** J F Associates Inc → CANTERA LERIOS; 2001-02-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jose M  Guevara Jr → J F Associates Inc; 2001-02-01 to current/open; source msha-controller-operator-history