The Roosevelt Fire in Western Wyoming that grew to over 61,000+ acres (85% contained as of this posting) and destroyed 55 homes has been determined as a human-caused fire.
Originating from an abandoned warming fire on a steep slope in the upper reaches of the Hoback River drainage. The fire started on Sept 15.
Investigators are asking for anyone with information as to the cause of the incident, or persons responsible, to contact U.S. Forest Service Law Enforcement at 208-557-5852.
For more info, please visit InciWeb.