Ayer, MABoston bound PB-100 with three GP38-2's (203, 210, ???) passing BM 1558 GP-7 stopped on westbound main at tower. PB-100 still has to make his Ayer set off before running down the Fitchburg Route and Freight Cutoff to Yard 8 in Somerville.
Photographed by Bruce Nelson, July 13, 1974.
Added to the photo archive by Bruce Nelson, July 4, 2018.
Railroad: Boston & Maine.
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