sentences:  Nineteen members of the Granite Mountain Hotshots, part of the Prescott Fire Department, lost their lives Sunday, June 30, 2013, while battling the Yarnell Hill fire that had ignited two days earlier south of Prescott.Prescott is west-northwest of the State of Arizona's geographic center.According to the United States Census Bureau, the city has a total area of , of which is land and is water.