# Relationship history for MSHA mine 4104384

Current hierarchy: **James M  Boney → Matbon Inc → Matbon Inc**

- 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:** James M  Boney → Matbon Inc; 1997-06-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Recycled Materials → Matbon Inc; 2001-11-29 to 2004-12-31; source msha-controller-operator-history
- **controller_controls_mine:** James M  Boney → Matbon Inc; 2001-11-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James M  Boney → Recycled Materials; 2001-11-29 to 2004-12-31; source msha-controller-operator-history
- **operator_operates_mine:** Matbon Inc → Matbon Inc; 2005-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James M  Boney → Matbon Inc; 2005-01-01 to current/open; source msha-controller-operator-history