# Relationship history for MSHA mine 4105827

Current hierarchy: **Isaac  Clubb; Grant  Dietze; James  Edwards → STX Materials LLC. → STX Materials FM 665**

- 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:** STX Materials LLC. → STX Materials FM 665; 2025-11-04 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Isaac  Clubb et al → STX Materials FM 665; 2025-11-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Isaac  Clubb et al → STX Materials LLC.; 2025-11-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James  Edwards et al → STX Materials LLC.; 2025-11-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Grant  Dietze et al → STX Materials LLC.; 2025-11-04 to current/open; source msha-controller-operator-history