(Eugene, OR) -- Lane County Search and Rescue continues to look for a 63-year-old man who hasn't been seen since March 13th. The Sheriff's Office says the search for Jonathan House has spanned a large, rugged area west of Cheshire, including 50 miles of roads from the ground and by drone. Detective have also poured over cell phone data and security and game camera photos. House is a white male, with gray hair and blue eyes, a mustache and stubble. He was last seen wearing a black or brown hooded coat, t-shirt, blue jeans and work boots.