# Relationship history for MSHA mine 1601410

Current hierarchy: **Cary S  Goss → Premier Materials Inc → Premier Materials, 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

- **operator_operates_mine:** Premier Materials Inc → Premier Materials, Inc.; 2004-06-03 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Cary S  Goss → Premier Materials, Inc.; 2004-06-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cary S  Goss → Premier Materials Inc; 2004-06-03 to current/open; source msha-controller-operator-history