mudCalifornia’s three-year drought might have triggered Mount Shasta’s worst mudslide in two decades which damaged hiking trails and forced two roads to close over the weekend, a national park spokeswoman said on Monday. Mud and debris began flowing down Mud Creek Canyon on the southeast side of Mt. Shasta, a 14,000-foot volcano about 50 miles south of the Oregon border, on Saturday afternoon and continued through the night, Shasta-Trinity National Park spokeswoman Andrea Capps said. “The woman who called it in said the first sign of the slide was a sound like a freight train,” Capps said. “The amount of power and intensity must have been incredible.” More