br pCalifornia Interagency Incident Management Team 1 said, late on August 3a, that the Ranch and River Fires had merged to become the 14th largest fire in California history at over 157,000 acres.ppCal Fire still had them listeda as seperatea fires.ppCal Fire said that the fires, which have been called the Mendocino Complex, had destroyed about 89 structures, half of which were residential homes, and about 9,200 remain under threat.