# Relationship history for MSHA mine 5400328

Current hierarchy: **Carlos  Seguinot → Arenero Cialeno Inc → ARENERO CIALENO, INC.**

- 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:** Arenero Cialeno Inc → ARENERO CIALENO, INC.; 1991-01-01 to 1996-03-17; source msha-controller-operator-history
- **controller_controls_mine:** Jose J  Alvarez Mossini → ARENERO CIALENO, INC.; 1991-01-01 to 1996-03-17; source msha-controller-operator-history
- **controller_controls_operator:** Jose J  Alvarez Mossini → Arenero Cialeno Inc; 1991-01-01 to 1996-03-17; source msha-controller-operator-history
- **operator_operates_mine:** Arenero Cialeno Inc → ARENERO CIALENO, INC.; 1996-03-18 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Carlos  Seguinot → ARENERO CIALENO, INC.; 1996-03-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Carlos  Seguinot → Arenero Cialeno Inc; 1996-03-18 to current/open; source msha-controller-operator-history