8:20 p.m. update 8/4/18: The North Fire acreage has grown to approximately 700 acres. It continues to burn in the North Fork of the American River Canyon, and area characterized by steep, rugged terrain. The Helibase has been been moved to Truckee. It remains at 10% contained.
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9:00 a.m. update 9/4/18: Updated mapping has shown the North fire has burned 500 acres. Hand crews, dozers, and engines worked through the night establishing an anchor point and starting to flank the fire with handline, hose lays, and dozer line. 10 percent contained.