 Jefferson County. First responders were called to the 500 north block of 4200 east in Rigby around 11 a.m. The woman's identity has not been confirmed. The investigation is ongoing. A wildfire in Swan Valley is now contained as of Monday. Swan Valley Fire Chief Travis Crystal said the call came in just before noon Sunday. He believes the fire started from a campfire that got out of control. Swan Valley, Bonneville County, BLM and Yukon Fire Departments responded along with air support.