Charles River Bridge, progress on Pier 4 Charles River Bridge, progress on Pier 4 Charles River Bridge, progress on Pier 10 Charles River Bridge Charles River Bridge looking n. from s. for Pier 4 Charles River Dam Charles River Bridge progress on foundation #10 Charles River Bridge progress on foundation #9 Charles River Bridge progress on foundation #9+10 Charles River Bridge progress on Pier #9 Charles River Bridge progress on Pier #4 Charles River Bridge progress on Pier #4 Charles River Bridge progress on Pier #4 Charles River Bridge near Pier #3 Charles River Bridge progress on pier foundation Charles River Bridge progress on pier foundation #10 Charles River Bridge foundation Pier #4 looking s. Charles River Bridge foundation Pier #4 excavation to grade pile heads Looking northerly from near pier #4 Looking southerly form near pier #4 Pier #3 Pier #3 Charles River Bridge excavation for Pier 10 Charles River Bridge excavation for Pier 10 Charles River Bridge looking down into #10 Excavation for pier #9 Charles river Bridge Charles River Bridge foundation Pier #3 Charles River Bridge looking southerly Pier 4 Charles River Bridge looking w. over Pier #3 Charles River Bridge looking s. across #3 Looking n. across foundation #9 Looking down into foundation #10 Charles River Bridge Foundation #3 Charles River Bridge Foundation #3 Brick sewer, 52 Causeway St. Foundation work of North Station Foundation work of North Station Charles River Bridge e. side Charles River Bridge e. side pier 11, etc. Charles River Bridge Prison Point St. Charles River Bridge masonry surfaces, stone and concrete Charles River Bridge span 4 centering Charles River Bridge span 8 Hammering arch ring Charles River Bridge span 5arch ring forms completed Charles River Bridge pier 12 surfaces of stone and concrete Foundations opposite cab stand North Station Causeway Street foundation at Fitchburg Station, Boston, Mass. Charles River Bridge progress on Prison Pt. Bridge Charles River Bridge Charles River Bridge progress view from lock tower