# Relationship history for MSHA mine 1401602

Current hierarchy: **Cathey Gary & Edward Komp → C K Enterprises → C K ENTERPRISES**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** C K Enterprises → C K ENTERPRISES; 1997-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Cathey Gary & Edward Komp → C K ENTERPRISES; 1997-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cathey Gary & Edward Komp → C K Enterprises; 1997-09-01 to current/open; source msha-controller-operator-history