# Relationship history for MSHA mine 2003626

Current hierarchy: **Eldad Silvester  Koutz → ESK Mining → ESK Mining**

- 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:** Koutz Dairy LLC → ESK Mining; 2022-01-21 to 2023-09-27; source msha-controller-operator-history
- **controller_controls_mine:** Edmun F  Koutz et al → ESK Mining; 2022-01-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Edmun F  Koutz et al → Koutz Dairy LLC; 2022-01-21 to 2023-09-27; source msha-controller-operator-history
- **controller_controls_operator:** Martin S  Koutz et al → Koutz Dairy LLC; 2022-01-21 to 2023-09-27; source msha-controller-operator-history
- **controller_controls_operator:** Ida G  Koutz et al → Koutz Dairy LLC; 2022-01-21 to 2023-09-27; source msha-controller-operator-history
- **operator_operates_mine:** ESK Mining → ESK Mining; 2023-09-28 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Eldad Silvester  Koutz → ESK Mining; 2023-09-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Eldad Silvester  Koutz → ESK Mining; 2023-09-28 to current/open; source msha-controller-operator-history