# Relationship history for MSHA mine 4503862

Current hierarchy: **Brandon  Jenks; Anthony  Jenks; Tiffany  Wall → Triple Threat Crushing → TTC-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:** Triple Threat Crushing → TTC-1; 2026-02-04 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Anthony  Jenks et al → TTC-1; 2026-02-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Anthony  Jenks et al → Triple Threat Crushing; 2026-02-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Brandon  Jenks et al → Triple Threat Crushing; 2026-02-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Tiffany  Wall et al → Triple Threat Crushing; 2026-02-04 to current/open; source msha-controller-operator-history