# Relationship history for MSHA mine 5400387

Current hierarchy: **Cintron Cristino Cruz → 3 C Construction Corp → ARENERO 3 C**

- 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:** 3 C Construction Corp → ARENERO 3 C; 1996-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Cintron Cristino Cruz → ARENERO 3 C; 1996-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cintron Cristino Cruz → 3 C Construction Corp; 1996-05-01 to current/open; source msha-controller-operator-history