# Relationship history for MSHA mine 2302488

Current hierarchy: **DeeJay  Huckie; Joshua  Lehde → Cave City Sand Inc. → Cave City Sand- Pit 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:** Cave City Sand Inc. → Cave City Sand- Pit 1; 2015-01-06 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Joshua  Lehde et al → Cave City Sand- Pit 1; 2015-01-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Joshua  Lehde et al → Cave City Sand Inc.; 2015-01-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** DeeJay  Huckie et al → Cave City Sand Inc.; 2015-01-06 to current/open; source msha-controller-operator-history