Probable site of shaft looking south Bacelders Brothers dock and wharf Coal wharf View from a rooftop overlooking the waterfront View of waterfront from the water with a sign on the right Construction site with an overpass in the background Birds-eye view of a construction site with an overpass in the background Railway tracks by the waterfront Construction site with a water tower and spire in the background Vacant land beside private way Birds-eye view from brick flat house Dorchester Ave. Birds-eye view of a construction site with smokestacks in the background Birdseye view looking south from coal packet Part of 83 Summer St. Part of 87 Summer St. Part of Kingston St. face #83 Summer St. Part of 87 Summer St. Part of 80 Summer St. Part of 100 Summer St. 111 Summer St. 100 Summer St., part of the Devonshire St. face 100 Summer St., part of the Devonshire St. face 100 Summer St., part of the Devonshire St. face 100 Summer St., part of the Devonshire St. face Constructing sec.B under Summer St. looking easterly 74-76 Summer St. 76-78 Summer Street, Boston, Mass. 161 Summer Street, Boston, Mass. N.w. corner of Dorchester Ave. and W. Fourth St. 12"x12"x30" blocks before testing showing types of rods used Bonding tests 4 test blocks Bonding tests Bonding tests Bonding tests Bonding tests Bonding tests Bonding tests Looking directly across shaft of sec. B on line of east wall Showing break between east wall and ventilation shaft Atlantic Ave. chambers Part of east and north walls of Atlantic Ave. chambers Part of east wall of Atlantic Ave. chambers Supports under structure of B. Elev. Co. at Atlantic Ave. Supporting elevated structure in Atlantic Ave. Supports under elev. structure Atlantic Ave. at State St. Settlement of State St. at Atlantic Ave. Settlement of State St. at Atlantic Ave. Part of east wall Atlantic Ave. shaft sec.B Settlemet of State St. at Atlantic Ave. Looking east across sec.B, shaft at Atlantic Ave.