Causeway St. opposite North Station Steel erection North Station New steel work opposite North Station New steel work North Station Progress view on steel erection North Station Props and showing on building Billerica near Causeway St. Progress on steel erection North Station Lechmere Sq. Progress on steelwork North Station North Station, progress on steelwork North Station, progress view Foor bridge through B+M cabstand, North Station North Station, progress view Progress view opposite North Station 32 Lowell St. Charles River Bridge Foundation 3 Charles River Bridge progress on foundation #5 Charles River Bridge looking toward Boston from near pier #8 Charles River Bridge foundation #3 Charles River Bridge foundation #3 Charles River Bridge progress on pier 5 Charles River Bridge progress on pier 5 Charles River Bridge general view Charles River Bridge piers 9-10-11 Charles River Bridge wall between pier 8 and 9 Charles River Bridge looking toward Boston from 09 Charles River Bridge from Cambridge end Charles River Bridge Charles River Bridge looking from Boston end Charles River Bridge pier 4+5 etc. Charles River Bridge pier 2 Charles River Bridge progress view Charles River looking towards Boston Charles River Bridge pier 7-6-5-4 Charles River Bridge piers 9-10-11 Charles River Bridge s. side of pier #7 Charles River Bridge s. side of pier #6 Charles River Bridge s. side of pier #6 Charles River Bridge excavation foundation #11 Charles River Bridge B+M freight yard, East Cambridge Charles River Bridge Charles River Bridge dismantling old bridge Charles River Bridge alterations at old drawbridge Charles River Bridge Charles River Bridge Charles River Bridge Charles River Bridge - pier 12 Charles River view, general view Charles River Bridge foundation #11