# Relationship history for MSHA mine 1700685

Current hierarchy: **Kenneth  Cassidy → Krc Properties Inc → KRC PROPERTIES**

- 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:** Krc Properties Inc → KRC PROPERTIES; 2000-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Kenneth  Cassidy → KRC PROPERTIES; 2000-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kenneth  Cassidy → Krc Properties Inc; 2000-10-01 to current/open; source msha-controller-operator-history