Ayer, MAPB-99 (Boston to Chicago) pulling off the West Wye with pick up out of the Hill Yard. Power is BM 1704, 1565, 1712. Home signal is for the East Wye West Wye switch.
Photographed by Bruce Nelson, January 3, 1973.
Added to the photo archive by Bruce Nelson, August 28, 2017.
Railroad: Boston & Maine.
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