Colorado & Southern narrow gauge Mogul in front of the roundhouse at Como, Colorado, 1919. Both still exist, both undergoing slow restoration:

http://www.narrowgauge.org/ngc/graphics ... gk-011.jpg

Excellent historic and recent photos of this roundhouse, quite probably the most historic of all remaining Colorado narrow gauge structures:

http://www.narrowgauge.org/ngc/html/exc ... -como.html