# Relationship history for MSHA mine 2302481

Current hierarchy: **DeeJay  Huckie; Joshua  Lehde → Cave City Sand, LLC → Cave City Sand Wash 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Cave City Sand, LLC → Cave City Sand Wash Plant; 2014-10-02 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** DeeJay  Huckie et al → Cave City Sand Wash Plant; 2014-10-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** DeeJay  Huckie et al → Cave City Sand, LLC; 2014-10-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Joshua  Lehde et al → Cave City Sand, LLC; 2014-10-02 to current/open; source msha-controller-operator-history
