This turned up on a site supporting the Adirondack Scenic Railroad, and it looks interesting enough to share here:

https://scontent-iad3-1.xx.fbcdn.net/hp ... e=579415F9

It's a colorized (former black and white) photo from a Facebook site called Imbued with Hues. There are a number of rail related photos there, and most have the original black and white photo with them for comparison.

General link:

https://www.facebook.com/imbuedwithhues/?fref=photo

Some of the photos:

City of Denver initial equipment set, photographed at Denver in 1936:

https://scontent-iad3-1.xx.fbcdn.net/hp ... e=5758AD82

Automobile sales team with the City of San Francisco, 1936:

https://scontent-iad3-1.xx.fbcdn.net/hp ... e=57921F76

Rock Island Rocket with an EMD TA locomotive:

https://scontent-iad3-1.xx.fbcdn.net/hp ... e=578CCF75

New York Central Mercury at Chicago; don't know if this interpretation of the colors is entirely accurate:

https://scontent-iad3-1.xx.fbcdn.net/hp ... e=578A136C

Washington, DC, with several trolley cars (running on conduit track, poles locked down):

https://scontent-iad3-1.xx.fbcdn.net/hp ... e=5787019E

Chicago, getting ready for Christmas in 1949, with a PCC in the background:

https://scontent-iad3-1.xx.fbcdn.net/hp ... e=57572B1B

And a horse car and an electric street car (apparently set up for conduit pickup only, no poles at all) in New York, ca. 1917:

https://scontent-iad3-1.xx.fbcdn.net/hp ... e=575EF166

Here are some that I have done and posted on Shorpy.com:
-JH

Nashville 1864
http://www.shorpy.com/node/10405?size=_original#caption

Pensacola 1906
http://www.shorpy.com/node/10832?size=_original#caption
and
http://www.shorpy.com/node/10833?size=_original#caption

ICRR New Orleans yard
http://www.shorpy.com/node/13042?size=_original#caption

Sou Ry PS-4
http://www.shorpy.com/node/15676?size=_original#caption

N&W night scene by O W Link
http://www.shorpy.com/node/16439?size=_original#caption

And one more that isn't posted elsewhere of an early traction scene in Louisville, KY.

Such photographs are always interesting, and in this case, my favorite of yours is the IC yard shot. It's sharp, clear, almost looks like a color photo (sometimes the results look more like a painting), and is fascinating for, of all things, the clothing the railroaders are wearing, the "risky" style of riding on the tender footboard, and noting in this and other pictures of the time how thin people generally were back then.