In Madera County, fire crews are investigating what sparked a structure fire near the top of Deadwood Mountain.OAKHURST, Calif. (KFSN) -- In Madera County, fire crews are investigating what sparked a structure fire near the top of Deadwood Mountain.The fire broke out around nine Wednesday night, south of Oakhurst. Some even reported seeing it burning from Highway 41. No injuries were reported. Report a correction or typo