Mullan Pass: Helena to Blossburg; helix
Yards: Multiple Yards Plan Focus: Mixed Freight ServiceMainline Service Setting: RuralOther Staging: Visible StagingHidden Staging Terrain: Mountains (steep and vertical surfaces )Stream(s) Unique Features: Lift-out SectionDuck-underNod UnderHelix (to move to different deck)Bowl-Shaped HelixView Block(s) to hide track(s)Reversing loop(s) Benchwork Shape: Circular