We've made it clear that the prophets and apostles who have republished and quoted from Letter VII over the years, and who have stated in General Conference that the real Hill Cumorah is in New York, are all perpetuating this false tradition.
Nevertheless, more and more people are learning about the ridiculous Heartland and Moroni's America ideas about Book of Mormon geography. It's exasperating.
To give you an idea of what it's like to maintain control of the situation, here's a webcam from our office on a typical day:
Please help us prevent members of the Church from thinking that Cumorah is in New York. Emphasize the two-Cumorahs theory whenever you get a chance.