The burn area of the Valley fire in Northern California covers more than 100 square miles, and by Tuesday morning, the property toll included 585 homes, as well as many other structures.
Attempting to contain and control the fire in Lake County are some 1,400 personnel from the California Department of Forestry and Fire Protection, state prison camps, community fire departments and wildland firefighters from Colorado.
Most work in 24-hour shifts and only about half are in the field at any time.
Three major wildfires continued to burn out of control Tuesday, and Gov. Jerry Brown warned the previous day that, given the ravages of drought and the growing influence of climate change, "there is more to come.