Snaking through the multiple curves east of Summit, Montana, a Burlington Northern Santa Fe grain train traverses Marias Pass. Up front is an eclectic group of motive power led by warbonnet GE C44-9W No. 781. Trailing the 781 is a former Santa Fe LRCX C30-7, a Burlington Northern C30-7, a Santa Fe SD45-2B, and finally, another Dash 9 in Heritage II paint.