# Relationship history for MSHA mine 2601004

Current hierarchy: **Wulfpack Holdings LLC Series 71; Double M Construction Inc → Wulfenstein Aggregates LLC → Pahrump Community Pit And 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Wulfenstein Construction Company Inc → Pahrump Community Pit And Mill; 1950-01-01 to 2025-01-28; source msha-controller-operator-history
- **controller_controls_mine:** Ray  Wulfenstein → Pahrump Community Pit And Mill; 1950-01-01 to 2018-03-31; source msha-controller-operator-history
- **controller_controls_operator:** Ray  Wulfenstein → Wulfenstein Construction Company Inc; 1950-01-01 to 2018-03-31; source msha-controller-operator-history
- **controller_controls_mine:** PRS Holdings, Inc → Pahrump Community Pit And Mill; 2018-04-01 to 2026-06-01; source msha-controller-operator-history
- **controller_controls_operator:** PRS Holdings, Inc → Wulfenstein Construction Company Inc; 2018-04-01 to 2025-01-28; source msha-controller-operator-history
- **operator_operates_mine:** Wulfenstein Aggregates LLC → Pahrump Community Pit And Mill; 2025-01-29 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Wulfpack Holdings LLC Series 71 et al → Pahrump Community Pit And Mill; 2025-01-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Wulfpack Holdings LLC Series 71 et al → Wulfenstein Aggregates LLC; 2025-01-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Double M Construction Inc et al → Wulfenstein Aggregates LLC; 2025-01-29 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Efrain Rene  Morales Moreno → Pahrump Community Pit And Mill; 2026-06-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Efrain Rene  Morales Moreno → Wulfenstein Construction Company Inc; 2026-06-02 to 2025-01-28; source msha-controller-operator-history