# Relationship history for MSHA mine 3605596

Current hierarchy: **Lovell Allan E → Allan E Lovell → Lovell #1 Strip**

- 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:** Allan E Lovell → Lovell #1 Strip; 1975-10-15 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Lovell Allan E → Lovell #1 Strip; 1975-10-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lovell Allan E → Allan E Lovell; 1975-10-15 to current/open; source msha-controller-operator-history