Stumbled onto this site, which has an interesting collection of images:

http://transport.castlegraphics.com/index.php?cat=3

How often do you find images like this from the Illinois Central:

http://transport.castlegraphics.com/thu ... p?album=34

And how about power from the Kansas City Southern?

http://transport.castlegraphics.com/thu ... p?album=35

I leave the internet to you to explore. . .