# Relationship history for MSHA mine 4300651

Current hierarchy: **Anthony L  Lussier → Lussier's Sawmill → Lussier's Sand & Gravel**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-18T09:31:49.615908+00:00

## Valid-time edges

- **operator_operates_mine:** Lussier's Sawmill → Lussier's Sand & Gravel; 2006-10-03 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Anthony L  Lussier → Lussier's Sand & Gravel; 2006-10-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Anthony L  Lussier → Lussier's Sawmill; 2006-10-03 to current/open; source msha-controller-operator-history