# Relationship history for MSHA mine 2003683

Current hierarchy: **Kent  James → KEO Sand & Gravel LLC → KEO Sand & Gravel LLC**

- 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:** KEO Sand & Gravel LLC → KEO Sand & Gravel LLC; 2024-09-05 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Kent  James → KEO Sand & Gravel LLC; 2024-09-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kent  James → KEO Sand & Gravel LLC; 2024-09-05 to current/open; source msha-controller-operator-history