In Central Cali here and we still get them. All our meat is from Cargill. Not too big as far as a seller since more and more people want boneless (unless its on a major sale, of course).
sometimes I get a dumb thought that I miss the old square cut chucks, guess it must be because I was in my hey day then LOL brings back memorys of my youth lol An ROCK & ROLL meat markets !!!