es44c4: A pair of SD90’s are working to hold back a loaded unit grain train on UP’s 1% descending grade from Moyie Springs to Bonners Ferry, Idaho. The train is seen here about to enter Tunnel 4, high on the cliffs above the Kootenai River. BNSF’s
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original: https://www.tumblr.com/blog/view/matiasywea/103762091691