Nice find. Thanks

Bonuses:

http://onlinebooks.library.upenn.edu/webbin/book/lookupname?key=Union%20Pacific%20Railroad%20Company

http://onlinebooks.library.upenn.edu/webbin/book/lookupname?key=Southern%20Pacific%20Company

http://onlinebooks.library.upenn.edu/webbin/book/browse?type=lcsubc&key=Norfolk%20Southern%20Corporation&c=x

And since much always wants more...

http://onlinebooks.library.upenn.edu/webbin/book/search?author=Canadian+Northern&amode=words&title=&tmode=words&c=x
http://onlinebooks.library.upenn.edu/webbin/book/search?author=Canadian+Pacific&amode=words&title=&tmode=words&c=x
http://onlinebooks.library.upenn.edu/webbin/book/search?author=Great+Western&amode=words&title=&tmode=words&c=x
http://onlinebooks.library.upenn.edu/webbin/book/search?author=National+Railroad&amode=words&title=&tmode=words&c=x
http://onlinebooks.library.upenn.edu/webbin/book/search?author=Santa+Fe&amode=words&title=&tmode=words&c=x
http://onlinebooks.library.upenn.edu/webbin/book/search?author=Southern+Pacific&amode=words&title=&tmode=words&c=x
http://onlinebooks.library.upenn.edu/webbin/book/search?author=Union+Pacific&amode=words&title=&tmode=words&c=x

That ought to keep you lot out of too much trouble.