Has a few rail related photos, and quite a few from Pie Town, Arizona.
Making it clickable, some very interesting photos, thanks for posting
According to the site, those are not colorised photos but original color photos.
Yep - it is the OWI (Office of War Information) / FSA (Farm Security Administration) color (not colorized) photos from the 1930s and 1940s. Gets reposted here at fairly regular intervals, as new people discover them.
Direct link to the Library of Congress page for these pictures: http://memory.loc.gov/ammem/fsachtml/fsowhome.html
There is also a bunch of black and white pictures there too - see the page for link.
Lots of classic train photos from this period was made by Jack Delano - google him for more information.
Smile,
Stein