Formal Match Publication
The NRA puts out a magazine: "Shooting Sports USA" It is published monthly and lists the registered matches nation wide - including F class, long range across the course, black powder, et. al.
The subscription is about $10 per year 877-672-2000 wwww.shootingsportsusa.com.
I've subscribed for years and I credit it with my finding the "Orange Blossom Regional", a compilation of matches (mid-range [600yds] and A-T-C) that lasts for 9 days in Feb/Mar (in FL). I've grown to look forward to it very much as the snow flies! John