Concord, NHBM 1742 GP-9 in the B&M blue dip paint scheme parked on fuel track. Every time I look at a roster shot of one of these fifty units, I think of how well they served the B&M!
Photographed by Bruce Nelson, September, 1972.
Added to the photo archive by Bruce Nelson, August 14, 2017.
Railroad: Boston & Maine.
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