# Relationship history for MSHA mine 4104440

Current hierarchy: **Guadalupe  Higareda → Higareda's Mining → Higareda's Mining**

- 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:** Higareda's Mining → Higareda's Mining; 2003-09-09 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Guadalupe  Higareda → Higareda's Mining; 2003-09-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Guadalupe  Higareda → Higareda's Mining; 2003-09-09 to current/open; source msha-controller-operator-history