https://www.mercurynews.com/2021/08/04/map-river-fire-evacuation-near-colfax/ > A fast-moving wildfire that started Wednesday afternoon had within hours prompted evacuations in Placer and Nevada counties. > As of Friday morning, the River Fire had burned 2,600 acres (4 square miles) and was 30% contained, the California Department of Fire and Forestry Protection said. Eighty-eight structures were confirmed destroyed.