# Relationship history for MSHA mine 4105614

Current hierarchy: **Hur Investments LLC; Ignacio  Mounetou → PATMO CONCRETE LLC → PATMO SCREEN PLANT**

- 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:** PATMO CONCRETE LLC → PATMO SCREEN PLANT; 2022-03-25 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Ignacio  Mounetou et al → PATMO SCREEN PLANT; 2022-03-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ignacio  Mounetou et al → PATMO CONCRETE LLC; 2022-03-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hur Investments LLC et al → PATMO CONCRETE LLC; 2022-03-25 to current/open; source msha-controller-operator-history