# Relationship history for MSHA mine 0504105

Current hierarchy: **Garrett  Varra; Pasquale  Varra → Varra Companies Inc → 115 WP 416**

- 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:** Garrett  Varra et al → 115 WP 416; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Varra Companies Inc → 115 WP 416; 1985-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Garrett  Varra et al → Varra Companies Inc; 1985-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Pasquale  Varra et al → Varra Companies Inc; 1985-12-01 to current/open; source msha-controller-operator-history