[?]

AT&SF 500 a b k AT&SF 504 x CB&Q 254 a CB&Q 376 h CB&Q 375 A CB&Q 376 K CB&Q 377 c CP 15401 c CP 15412 x D&RGW 1145 d NP 551 x SP 3603 x UP 8004 b UP 9011 x a WAB 1601 i WAB 1602 c WP 811 b WP 812 a