# Relationship history for MSHA mine 4104637

Current hierarchy: **Jose  Garcia → El Paso Star Ready Mix Inc → Trini Fine Materials**

- 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:** El Paso Star Ready Mix Inc → Trini Fine Materials; 2006-12-19 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jose  Garcia → Trini Fine Materials; 2006-12-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jose  Garcia → El Paso Star Ready Mix Inc; 2006-12-19 to current/open; source msha-controller-operator-history