# Relationship history for MSHA mine 4503733

Current hierarchy: **Cathleen I  Lovell → C. I. Lovell, Inc. → Plant 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **controller_controls_mine:** Cathleen I  Lovell → Plant 2; 2008-06-23 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** C. I. Lovell, Inc. → Plant 2; 2015-03-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cathleen I  Lovell → C. I. Lovell, Inc.; 2015-03-25 to current/open; source msha-controller-operator-history