# Relationship history for MSHA mine 4105696

Current hierarchy: **Farrell  Arceneaux → SanBar Sand Management LLC → SanBar Stateline #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

- **operator_operates_mine:** SanBar Sand Management LLC → SanBar Stateline #1; 2023-06-02 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Farrell  Arceneaux → SanBar Stateline #1; 2023-06-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Farrell  Arceneaux → SanBar Sand Management LLC; 2023-06-02 to current/open; source msha-controller-operator-history