George William McDonald, known as Cossie, was 34 when he was last seen camping in a forested area several miles east of Omak, Washington, on July 14, 1982. A member of the Colville tribe, he vanished from tribal land and never contacted friends or family afterward. He is described as Native American, 5 feet 6 inches, about 160 pounds, with brown hair and brown eyes.

The Colville Tribal Police Department handled the investigation, which has stayed open but produced few leads. Investigators and family have considered the possibility that he relocated and assumed a new identity; an unconfirmed tip even suggested he might have worked at a winery in California. No concrete evidence has emerged to explain what happened to him.

Does anyone who knew George, his travel patterns, or the areas east of Omak in 1982 have information that could help resolve this disappearance?