Charles River Bridge elevators, cars, etc. Charles River Bridge Charles River Bridge masonry forms Charles River Bridge masonry forms Charles River Bridge Charles River Bridge Charles River Bridge Charles River Bridge, forms, etc. Charles River Bridge progress at pier #11-10 Charles River Bridge progression pier #13-10 Charles River Bridge progress on pier 12 Pier 501 North Station progress view Charles River Bridge, Prison Point Bridge Charles River Bridge, piers 11-12 etc. Charles River Bridge, Prison Point St. Charles River Bridge, Prison Point St. Charles River Bridge, piers 12-13, etc. Charles River Bridge construction view Charles River Bridge, girders at Prison Point St. Charles River Bridge, electric locomotive cars, etc. Charles River Bridge, concreting etc. Looking down into foundation #10 Charles River Bridge Foundation #3 Charles River Bridge Foundation #3 Charles River Bridge Foundation #4 Charles River Bridge Foundation #9 Charles River Bridge progress on pier 3 looking northerly Charles River Bridge progress on pier 4 Charles River Bridge, foundation 3, looking n. Charles River Bridge, progress on foundation 4 looking northerly Charles River Bridge, progress on foundation 4 looking s. Charles River Bridge, progress on foundation 9 laying concrete in farther end Charles River Bridge, progress on pier foundation 4 Charles River Bridge, concreting on Pier #3 Charles River Bridge, progress on masonry Charles River Bridge, general view toward Boston Charles River Bridge Charles River Bridge general view Charles River Bridge laying stone work in pier 9 Charles River Bridge progress on foundation #10 Charles River Bridge progress on foundation #10 Charles River Bridge progress on foundation #8 Charles River Bridge progress on foundation #3 Charles River Bridge general progress Charles River Bridge progress on 8+9+10 Charles River Bridge progress Charles River Bridge progression Charles River Bridge Charles River Bridge Charles River Bridge, looking across River from Boston Shore