# Relationship history for MSHA mine 3003574

Current hierarchy: **Jasin F  Carroll; Cynthia L  Carroll → GraRok, LLC → GraRok, LLC**

- 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:** Jeff  Kellogg → GraRok, LLC; 2006-02-06 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Tug Hill Construction Co. Inc. → GraRok, LLC; 2007-01-26 to 2016-07-21; source msha-controller-operator-history
- **controller_controls_operator:** Jeff  Kellogg → Tug Hill Construction Co. Inc.; 2007-01-26 to 2016-07-21; source msha-controller-operator-history
- **operator_operates_mine:** GraRok, LLC → GraRok, LLC; 2016-07-22 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jasin F  Carroll et al → GraRok, LLC; 2016-07-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jasin F  Carroll et al → GraRok, LLC; 2016-07-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cynthia L  Carroll et al → GraRok, LLC; 2016-07-22 to current/open; source msha-controller-operator-history