Montana Rail Link’s train No. 844, the Logan local, works up the 2.2 percent grade on the Harrison Branch on May 7, 2012. Short but rugged Big Antelope Creek Canyon is 3 miles north of Sappington, Montana, on MRL's Sixth Subdivision branch line to Harrison. A former Rio Grande GP35, now MRL No. 405, leads five hoppers and caboose No. 1004, on a model railroad-like train.