This is an oldie but goodie for the Lost and Found archives. In a letter dated February 2nd, 1915 to the California Department of Fish and Game, lighthouse keeper John W. Astrom reported on a small southern sea otter (Enhydra lutris nereis) population of the coast of Big Sur. Little did Mr. Astrom know that his observations would help launch one of the greatest and most iconic conservation success stories in history. A few decades later, in the June 1938…