This isn't a plow, but is is snowfighting equipment, so to speak.. Icebreaker car at Mullan Pass summit:
Medium-size Railgrinder A railgrinder I caught on the AUAR tracks west of my subdivision. Railgrinder - Block House Creek
Thanks Hemi! I had seen it sitting there this summer as I was passing through Glenwood and finally had the time recently to get off of the interstate to grab a picture of it. Ben