# Relationship history for MSHA mine 3004092

Current hierarchy: **Patrick  Curran → Curran Logging, Inc. → Van Kennen Pit**

- 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

- **controller_controls_mine:** Patrick  Curran → Van Kennen Pit; 2005-04-19 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Curran Logging, Inc. → Van Kennen Pit; 2021-07-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Patrick  Curran → Curran Logging, Inc.; 2021-07-20 to current/open; source msha-controller-operator-history