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Shasta County firefighter Bob Baker mops up an area affected by the Clover Fire in Happy Valley

Shasta County firefighter Bob Baker mops up an area affected by the Clover Fire in Happy Valley, California September 10, 2013. The fast-moving wildfire ripped through rolling hills and ranch land in rural northern California on Tuesday, after destroying 30 homes overnight and prompting more than 500 area residents to evacuate, fire officials said. REUTERS/Max Whittaker (UNITED STATES - Tags: ENVIRONMENT DISASTER)

Northern California wildfires

Crews assessing the damage from a wildfire in Northern California have now determined that 68 homes were destroyed, up from the earlier tally of 37, a fire official said on Thursday.

The fire began Monday, Sept. 9, 2013 in the community of Happy Valley, about 150 miles north of Sacramento, and winds sent it spreading at 500 acres an hour.

Residents were given just minutes to grab their belongings and leave, as the fire jumped roads and engulfed homes. (Associated Press)