Rio Grande Southern #20 (4-6-0) runs passengers around the grounds of the Colorado Railroad Museum in Golden, Colorado.

Rio Grande Southern engine #20 (4-6-0) runs the track at the Colorado Railroad Museum in Golden, Colorado.

Rio Grande Southern engine #20 (4-6-0) runs passengers around the large grounds of the Colorado Railroad Museum located in Golden, Colorado.

A mix of standard gauge engines and narrow gauge rolling stock sit at the Colorado Railroad Museum in Golden, Colorado.

Rio Grande Southern #7 Galloping Goose gives riders a thrill of running in a unique piece of vintage railroad equipment.

Rio Grande Southern #20 (4-6-0) runs laps around the grounds at the Colorado Railroad Museum in Golden, Colorado.

The Colorado Railroad Museum in Golden, Colorado ran their Rio Grande Southern #20 (4-6-0) and their RGS Galloping Goose #7 over the weekend, giving rides to families and individual railfans.

Coors Brewery operates a number of vintage switchers in their massive yard in Golden, Colorado, including #998, a SW1001 built in the 1980's for the brewery.

Coors Critter #998 (SW1001) heads towards the brewery facility in Golden, Colorado.

Southern nights. A night hostler spreads a film of fresh oil on the cross-head guides of the Rio Grande Southern's veteran T-19, 10-Wheeler #20 as he makes his rounds in the company's yard ... (more)

Betwixt the slumbering beasts. A Rio Grande Southern night hostler makes his rounds in the yard at Ridgway, CO, tending to a pair of simmering locomotives that are scheduled for an early mo... (more)

Denver & Rio Grande Western 491 works its freight train up the grade through The Cut on a sunny May morning.

Denver & Rio Grande Western 491 and Rio Grande Southern 20 rest in the roundhouse after a long day of work.

Denver & Rio Grande Western 491 steams out of the roundhouse on a sunny May morning.

Rio Grande Southern 20 pulls out of the roundhouse early in the morning before a long day of work.