# Relationship history for MSHA mine 4801852

Current hierarchy: **Clay  Persian → GW Construction, LLC → Mobile Plant 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** GW Construction, LLC → Mobile Plant 1; 2021-10-27 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Clay  Persian → Mobile Plant 1; 2021-10-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Clay  Persian → GW Construction, LLC; 2021-10-27 to current/open; source msha-controller-operator-history
