# Relationship history for MSHA mine 3402229

Current hierarchy: **Marisol Iris Mendez → Mendez Stone LLC → Mendez Stone LLC.**

- 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:** Mendez Stone LLC → Mendez Stone LLC.; 2022-10-13 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Marisol Iris Mendez → Mendez Stone LLC.; 2022-10-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Marisol Iris Mendez → Mendez Stone LLC; 2022-10-13 to current/open; source msha-controller-operator-history