YouTube Credits:
Dogger Bend Railway UP Big Boy
https://www.youtube.com/watch?v=4QIDehuFWq0&t=1s
gmpullman :D&H Alco PA
https://www.youtube.com/watch?v=G08t1O_jLwk&t=17s
baldwinloco12: Alco RS-1
https://www.youtube.com/watch?v=swGMrgj2Kfs&t=1558s
rollingswitch: Alco RS-3
https://www.youtube.com/watch?v=AJkGtczswTQ&t=2s