A large-scale search is underway in Yosemite National Park for Ronald Hoggard, 58, from Corcoran, California. Hoggard was last heard from on September 14, 2007 via cell phone while driving to the Sentinel Dome/ Taft Point area near Glacier Point in Yosemite National Park. https://www.nps.gov/yose/learn/news/hoggard1.htm