2000 miles in a long abandoned 1989 Jeep XJ on America's loneliest HWY, NV RT 50

[gvthnks]

Some of the locomotives use sand to provide extra traction on the rails for drive wheels.  From what I remember it's only used on hills though and your trip looked pretty flat.  Interesting.  

[Htchevyii]

Maybe that was it, It seemed like it was coming down from the smoke, but it wasn't constant. I had assumed it was because of wind or how much coal they were feeding it?

[Pete M]

the coal burners are dirty, dirty things.  all sorts of particulates exit that stack.  but I love 'em.   got to do the Durango/Silverton line when I was a kid.