S. side of Willard St. corner of Lowell St. N. side of Willard St. corner of Lowell St., laundry wagon S. side of Barton St. near Lowell St. 11-13-15 etc. N. side of Barton St. 11-13-15 etc. 57 Lowell St. 49 Lowell St. 57 Lowell St. 61 Lowell St. Foundations w. side of Lowell St. s. corner Cotting St. E. side of Lowell St. #16 etc. Broken door, cap under party wall between 14 or 16 Barton St. Charles River Bridge looking toward 6+7 from Boston Charles River Bridge progress on pier 4 Charles River Bridge progress on pier 2 Charles River Bridge progress on pier 10 Charles River Bridge progress on pier #4 Charles River Bridge progress on pier 8-7-6 Charles River Bridge progress on pier 7+8 Charles River Bridge progress on piers 6-7-8 Charles River Bridge looking n. form pier #4 Charles River Bridge progress on #4 Charles River Bridge progress on pier foundation #9 Charles River Bridge foundation #9 Charles River Bridge progress on foundation #9 Charles River Bridge, general view, from Boston & Maine Railroad coal shed, Boston, Mass. Charles River Bridge foundation #3 Charles River Bridge progress on #9 Charles River Bridge progress #9 Charles River Bridge fal work at #9 Charles River Bridge progress on 2+3 Charles River Bridge general view looking northerly from lock tower Charles River Bridge westerly from lock tower Charles River Bridge #3 progress on Charles River Bridge progress on foundation #8 Charles River Bridge piling for falsework between 8+9 Charles River Bridge progress on foundation 3 Charles River Bridge progress on foundation 8 Charles River Bridge progress on #3 Charles River Bridge, general view, looking toward Cambridge from lock tower, Boston, Mass. Charles River Bridge foundation 10+11 Charles River Bridge foundation #3 Charles River Bridge foundation #3 Charles River Bridge foundation #3 Charles River Bridge progress on foundation 3 Charles River Bridge progress on foundation 3 Charles River Bridge foundation 3 Charles River Bridge foundation 3 Charles River Bridge foundation 3 Charles River Bridge foundation 3 n. side Charles River Bridge progress on 5