# Relationship history for MSHA mine 0103266

Current hierarchy: **Gustavo C  Espinoza → Gustavo Espinoza Mine → Stanley Mines  Ojo de Agua**

- 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:** Gustavo Espinoza Mine → Stanley Mines  Ojo de Agua; 2003-06-04 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Gustavo C  Espinoza → Stanley Mines  Ojo de Agua; 2003-06-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Gustavo C  Espinoza → Gustavo Espinoza Mine; 2003-06-04 to current/open; source msha-controller-operator-history