BNSF 9346 East just outside of Bonner, MT, heading toward Helena, MT.
BNSF mixed freight WB at Avon.
EB BNSF mixed freight working up the mountain.
An EB BNSF freight charges past Elliston, MT on its way to Mullan Pass.
The EB slows to a stop due to MoW ahead at Avon.
A BNSF EB freight starts upgrade toward Mullan Pass on the fantastic MRL main line.