(Roseburg, OR) -- Searches continue for a 61-year-old man missing for almost two months in Douglas County. Robert Cotter was last seen November 2nd. His pickup was found abandoned on November 30th, on an unmaintained road in the Elliott State Forest. Teams from Josephine, Jackson, Siskiyou and Klamath Counties conducted numerous searches in the area, but have come up empty. Anyone who may have seen Cotter or his vehicle, or talked to him after November 2nd is asked to contact the Douglas County Sheriff's Office.