Rio Grande Southern 20 leads its passenger train uphill on a beautiful May morning.

Rio Grande Southern 20 steams onto the turntable on a beautiful spring morning.

Rio Grande Southern 20 couples onto its passenger train on a sunny May morning.

RGS #20

RGS #20

After maintenance work on the Rio Grande Southern steam locomotive 20, the water supplies are being refilled at the water tower in the Colorado Railroad Museum.

Rio Grande Southern 20 takes on water at the No Agua Water Tank on a sunny May morning.

Rio Grande Southern 20 charges through The Cut with its passenger train on a sunny May morning.

Rio Grande Southern #20 pulls passengers past the water tower at the Colorado Railroad Museum in Golden, Colorado.

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.

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.

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)