# Relationship history for MSHA mine 2003675

Current hierarchy: **Tomlinson Group → Marquette Mineral, LLC → Track Jaw**

- 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:** Marquette Mineral, LLC → Track Jaw; 2024-06-03 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Therese  Storti et al → Track Jaw; 2024-06-03 to 2026-05-14; source msha-controller-operator-history
- **controller_controls_operator:** Therese  Storti et al → Marquette Mineral, LLC; 2024-06-03 to 2026-05-14; source msha-controller-operator-history
- **controller_controls_operator:** James  Storti et al → Marquette Mineral, LLC; 2024-06-03 to 2026-05-14; source msha-controller-operator-history
- **controller_controls_mine:** Tomlinson Group → Track Jaw; 2026-05-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Tomlinson Group → Marquette Mineral, LLC; 2026-05-15 to current/open; source msha-controller-operator-history