Black Hills Central Railroad 108 begins its return trip to Hill City as it nears Keystone Junction.

Black Hills Central Railroad 108 climbs up Tin Mill Hill for the last time of the day. It is about to reach the steepest section of the 1 mile long hill.

Black Hills Central Railroad 108 rolls down hill as enters the "Indian Cliffs" also known as Harney Granite.

Black Hills Central Railroad 108 starts up the 4% grade to Oblivion as it begins to climb out of Palmer Gulch

Black Hills Central Railroad 108 works hard up the grade at Battle Creek with late July storms lurking ahead.

Black Hills Central Railroad 108 takes on water at the Keystone water tower after completing the first 10 miles of its 20 mile round trip from Hill City to Keystone and return.

Black Hills Central Railroad 108 rolls down the 6% grade of Tin Mill Hill for the final time of the day as it nears Hill City which is less than a mile away.

Black Hills Central Railroad 108 nears Keystone as it coasts downhill in Echo Canyon.

Black Hills Central Railroad 108 drifts down the grade as it goes through one of the canyons along the route from Hill City to Keystone.

Black Hills Central Railroad 108 coasts down hill into Battle Creek. The rest of the journey to Keystone is downhill from here.

Black Hills Central Railroad 108 works hard up Tin Mill Hill as it passes through a rock cut with steep cliffs to either side of the train.

Black Hills Central Railroad 108 nears Twin Springs Road as it charges up the 4% grade at Oblivion.

Black Hills Central Railroad 108 nears the end of the 1 mile long, 4-6% grades of Tin Mill Hill as it approaches Old Hill City Road.

Black Hills Central Railroad 108 begins the grueling 6% grade of Tin Mill Hill.

Black Hills Central Railroad 108 works hard up the 4% grade at Oblivion.