Black Hills Central 2-6-6-2T Mallet No. 110 takes the eastbound trip from Hill City across the Old Hill City Highway west of Keystone, South Dakota, on July 11, 2018.

Black Hills Central Railroad #110, a 1928 Baldwin 2-6-6-2T, sits by the engine house after a full day of runs. This night marked the final night run of the 2017 season with an arrival back in Hill... (more)

It may be the start of the summer tourist season but mother nature decided to give one last taste of winter. A dusting of snow blanketed the top of Tin Mill Hill. Baldwin 2-6-6-2T #110 climbs the ... (more)

The oncoming crew watches as 110 is backed on to her next train at Hill City.

Black Hills Central's impressive mallet-type steamer is a fun and easy train to chase, with multiple access points to a variety of landscapes along the line. It was a gorgeous summer day to watch ... (more)

On the last day of the season, Black Hills Central Railroad #110, a 1928 Baldwin 2-6-6-2T, nears Keystone. During the morning run, a small leak was found so #63 was started in Hill City and took t... (more)

On the last day of the season, Black Hills Central Railroad #110, a 1928 Baldwin 2-6-6-2T, hauls a 7 car consist to Keystone, SD. Today's cars include (from front to rear) Edward Gillette, Blue Bi... (more)

On the last day of the season, locomotive 110 starts to climb the 6% grade of tin mill hill

Right after a heavy rain, BHC 110 is working hard on it's way to Keystone.

Black Hills Central #110 descends Tin Mill Hill with a very full passenger train.

Black Hills Central #110 climbs up the 6% grade of Tin Mill Hill with the first train of June 3rd, 2013. This 2-6-2 Mallet was built by Baldwin for use in the forests of Washington state, but it r... (more)

BHC 110 begins its climb up the 4% grade.

Chasing the Black Hills Central steam operation is pretty easy. The tracks are seldom far from Old Hill City Road between Keystone and Hill City; the road crosses the railroad about a dozen times ... (more)

The Black Hills Central tourist train is just minutes into its journey as it tackles the steep grade out of Hill City, S.D.

Black Hills Central No. 110 rolls along Battle Creek as it approaches Keystone, S.D.