# Relationship history for MSHA mine 2402685

Current hierarchy: **Scott D  Smith → Eastside Enterprises → Homestead Quarry**

- 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:** Scott D  Smith → Homestead Quarry; 2013-06-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Eastside Enterprises → Homestead Quarry; 2015-03-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Scott D  Smith → Eastside Enterprises; 2015-03-11 to current/open; source msha-controller-operator-history