Charles St. Station foundation obstr. north side Section of old seawall Charles St. Station Charles St. Station pile driver Charles St. Station traffic conditions Charles St. Station traffic conditions Charles St. Station Pile driver Charles St. Charles St. Station Charles St. Station Charles St. Station Charles St. Station Charles St. Station Charles St. Station Charles St. Station Charles St. Station Charles St. Station Charles St. Station Charles St. Station Charles St. Station Beacon Hill Portal Looking n.e. from portal of Beacon Hill Tunnel Phillips St., Beacon Hill Portal Beacon Hill Tunnel At portal Beacon Hill Tunnel Charles St. Station Charles St. Station Charles St. Station Charles St. Station Charles St. Station Charles St. Station, Boston Boylston St. sidewalk by Public Garden, showing pedestrians and curve in the road Boylston St. sidewalk by Public Garden, with driving cars and pedestrians in the background Parade crowd at Park Street Station station entrance, Boston, Mass., September 1940 Parade crowd at Park Street Station entrance, Boston, Mass., September 1940 Parade crowd at Park Street Station exit, Boston, Mass., September 1940 Parade crowd at Park Street Station exit, Boston, Mass., September 1940 Parade crowd at Park Street Station, Tremont Street, Boston, Mass., September 1940 Parade crowd at Park Street Station exit, Boston, Mass., September 1940 Parade crowd on Tremont Street, Boston, Mass., September 1940 Parade crowd on Tremont Street, Boston, Mass., September 1940 Parade crowd at Park Street Station south bound entrance, Boston, Mass., September 1940 Englargement of Park St. Station showing steel beams. workers, and a temporary fence Englargement of Park St. Station, showing a worker at the underground construction site Group of men walking through a gate, possibly on the Common or in the Public Garden Boylston Street station entrances/exits, Boston, Mass. Park Street subway entrances on Tremont, in front of Noyes Brothers at 127 Tremont and Riker-Jaynes Drug Store at 128 Tremont Steel beams on the Common, with workers and pipes in the background Steel gridwork on the Common near Park St. Tree 301 Tree 301