# Relationship history for MSHA mine 0405702

Current hierarchy: **Patrick A  Ortiz → Ortiz Enterprise Inc → 33870P-1**

- 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:** Patrick A  Ortiz → 33870P-1; 2005-12-15 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Ortiz Enterprise Inc → 33870P-1; 2006-12-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Patrick A  Ortiz → Ortiz Enterprise Inc; 2006-12-18 to current/open; source msha-controller-operator-history