Authorities are asking for the public's help in finding 62-year-old Charles Jacobs.
His car was found stuck off Frenchtown Road near Kokadjo Saturday. They are continuing to search that area today.
Jacobs is described as 6 feet 1 inch tall with blue eyes and white hair.
Anyone with information is asked to call the Piscataquis County Sheriff's Office at 564-3304.