# Relationship history for MSHA mine 0405806

Current hierarchy: **Michael  Mattivi; Anthony  Mattivi → Recycled Base Materials Inc → Plant #1**

- 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:** Recycled Base Materials Inc → Plant #1; 2010-05-12 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Albert  Mattivi → Plant #1; 2010-05-12 to 2026-08-05; source msha-controller-operator-history
- **controller_controls_operator:** Albert  Mattivi → Recycled Base Materials Inc; 2010-05-12 to 2026-08-05; source msha-controller-operator-history
- **controller_controls_mine:** Michael  Mattivi et al → Plant #1; 2026-08-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Michael  Mattivi et al → Recycled Base Materials Inc; 2026-08-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Anthony  Mattivi et al → Recycled Base Materials Inc; 2026-08-06 to current/open; source msha-controller-operator-history
