Ayer, MAWR-2 eastbound passing through Willows Interlocking. Power is BM 1573, 1571, 1557 GP-7's. The 1573 and 1557 have had their water tanks removed along with their steam generators.
Photographed by Bruce Nelson, February 5, 1972.
Added to the photo archive by Bruce Nelson, June 30, 2017.
Railroad: Boston & Maine.
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