# Relationship history for MSHA mine 0203526

Current hierarchy: **Nicholas  Pauletto; Andria  Kovach; Peggy  Pauletto → PG&E, LLC → PORTABLE CRUSHING & SCREENING**

- 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:** Peggy  Pauletto et al → PORTABLE CRUSHING & SCREENING; 2024-01-09 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** PG&E, LLC → PORTABLE CRUSHING & SCREENING; 2025-04-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Peggy  Pauletto et al → PG&E, LLC; 2025-04-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Andria  Kovach et al → PG&E, LLC; 2025-04-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Nicholas  Pauletto et al → PG&E, LLC; 2025-04-16 to current/open; source msha-controller-operator-history