Champ of Lake Champlain — the 1977 Mansi photo has never been debunked to my satisfaction

Sandra Mansi took a photograph of something in Lake Champlain in July 1977 near St. Albans Bay, Vermont. The negative got lost but the print was analyzed by specialists at University of Arizona's optical sciences lab and they couldn't identify it as a hoax or explain what it was. The neck and head a……