# Relationship history for MSHA mine 0405896

Current hierarchy: **Janis  Pusic → 75th Street Quarry and Recycling → 75th Street Quarry and Recycling**

- 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:** 75th Street Quarry and Recycling → 75th Street Quarry and Recycling; 2015-04-19 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Janis  Pusic → 75th Street Quarry and Recycling; 2015-04-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Janis  Pusic → 75th Street Quarry and Recycling; 2015-04-19 to current/open; source msha-controller-operator-history