# Relationship history for MSHA mine 4503564

Current hierarchy: **Cathleen I  Lovell → C I Lovell Inc → C I Lovell Inc Portable**

- 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

- **operator_operates_mine:** Lovell Cat Service → C I Lovell Inc Portable; 2004-05-13 to 2008-06-22; source msha-controller-operator-history
- **controller_controls_mine:** Vaughn  Lovell → C I Lovell Inc Portable; 2004-05-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Vaughn  Lovell → Lovell Cat Service; 2004-05-13 to 2008-06-22; source msha-controller-operator-history
- **operator_operates_mine:** C I Lovell Inc → C I Lovell Inc Portable; 2008-06-23 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Cathleen I  Lovell → C I Lovell Inc Portable; 2008-06-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cathleen I  Lovell → C I Lovell Inc; 2008-06-23 to current/open; source msha-controller-operator-history