I see that’s sheadford, who shares his uncle Basil Headford’s collection. Basil was a noted Canadian railfan photographer and you will see a lot of his CPR and CNR shots cycle through the eBay store. He was apparently a BIG fan of Colorado and other narrow gauges as well, hence its relevance here - so there are many excellent NG shots that get listed.
Here’s one I like that shows Rio Grande #227. [
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Back in the day when you ordered books from the CRRM, Bob Richardson would include original historical paperwork, mostly RGS items. One I still have is an overtime claim card for this engine, Nov 1, 1912, engineer A. Gibbs claiming two hours overtime for terminal switching at Ridgway, plus a little extra at Dallas Divide.
So not biz car related, but of interest re: Chris’ post for those who haven’t discovered this photo source yet.
Cheers,