# Relationship history for MSHA mine 2602408

Current hierarchy: **Wulfpack Holdings LLC Series 71; Double M Construction Inc → Wulfenstein Aggregates LLC → Shenandoah Mill**

- 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:** KMI Zeolite Inc → Shenandoah Mill; 2000-01-01 to 2026-08-31; source msha-controller-operator-history
- **controller_controls_mine:** Clarence  Wagenaar → Shenandoah Mill; 2000-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Clarence  Wagenaar → KMI Zeolite Inc; 2000-01-01 to 2026-08-31; source msha-controller-operator-history
- **controller_controls_mine:** Double M Construction Inc et al → Shenandoah Mill; 2025-01-29 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Wulfenstein Aggregates LLC → Shenandoah Mill; 2026-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Double M Construction Inc et al → Wulfenstein Aggregates LLC; 2026-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Wulfpack Holdings LLC Series 71 et al → Wulfenstein Aggregates LLC; 2026-09-01 to current/open; source msha-controller-operator-history