# Relationship history for MSHA mine 3303369

Current hierarchy: **Kenneth  LaVan → City Enterprises Inc → City Enterprises Mine No 2**

- 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

- **controller_controls_mine:** Kenneth  LaVan → City Enterprises Mine No 2; 1975-07-14 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** City Enterprises Inc → City Enterprises Mine No 2; 1975-09-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kenneth  LaVan → City Enterprises Inc; 1975-09-26 to current/open; source msha-controller-operator-history