George F. Mateo, 53, was last seen June 10, 1989, fishing on the north side of the Mohawk River near Lock 10 of the barge canal in Amsterdam, New York. His car was found the next day abandoned on Conrail property across the river from where he had been fishing. Mateo was described as 5 feet 8 inches, 160 pounds, with gray hair and blue eyes; he was wearing a dark-colored baseball cap and carrying a backpack. At the time he had been living in a local hotel.

An extensive search of the river and surrounding areas turned up no sign of Mateo. His case is classified as lost/injured missing; his family has had no contact with him since June 10, 1989, and no new leads have been reported. If anyone has information about his disappearance, please contact the New York State Police.