A BNSF grain train passes a frozen Frog Pond west of Trout Creek, Montana, on January 26, 2013. Three flavors of GE C44-9Ws power the eastbound; Heritage II No. 4835, Heritage I “Goat Boat” No. 1002 with BNS_ lettering and primer patch, and warbonnet No. 732 with the all-too-common orange air conditioner…