# Relationship history for MSHA mine 0600618

Current hierarchy: **Bartholomew  LoRusso Jr; Vincent B  LoRusso Sr → Bart Lo Russo & Sons Inc → Bart Lo Russo & Sons Inc**

- 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:** Bart Lo Russo & Sons Inc → Bart Lo Russo & Sons Inc; 1988-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Vincent B  LoRusso Sr et al → Bart Lo Russo & Sons Inc; 1988-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Vincent B  LoRusso Sr et al → Bart Lo Russo & Sons Inc; 1988-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bartholomew  LoRusso Jr  et al → Bart Lo Russo & Sons Inc; 1988-09-01 to current/open; source msha-controller-operator-history