Interior of sewer siphon under Haymarket Sq. looking east Tunnel for sewer siphon under Hanover St. across Washington, sec.9 Edison pipe crossing in Haymarket Sq., looking east Edison pipe crossing in Haymarket Sq., looking west Model of shield Under Hanover St. sec.T Double ventilating chamber corner of Washington + Hanover Sts. Electric conduit and pipes at corner of Boylston + Tremont Sts. Some details under Tremont Street near Boylston looking north View in Haymarket Square, work on sec.10, Boston, Mass. Interior of lower story of sec.6 Interior of sec.8 under Hanover St. Pipe-crossing on sec.3 opp. West St. Some steelwork on sec.10 Pipe-crossing of sec.8 opp. West St. Steelwork of pipe-crossing in Haymarket Sq. Excavation in Haymarket Sq., sec.10, looking northerly Escavation in Haymarket Sq., sec.10, looking southwest Birdseye view of sec.3 View of sec.3 Sec.3 Corner of Tremont + Boylston Street Corner of Tremont & Boylston Streets Corner of Tremont and Boylston Streets Corner of Tremont & Boylston Streets Close-up view of gas lines, including a broken eight-inch line Broken gas pipe corner of Boylston + Tremont Streets Corner of Boylston + Tremont Streets Stairway opening "G", sec.3 Stairway opening "H", sec.3 Stairway opening "F", sec.3 Stairway opening "E", sec.3 Interior of sec.4, looking southerly Break in 6" gas pipe, corner of Boylston + Tremont Sts. Break in 6" gas pipe, corner of Boylston + Tremont Sts. Looking southerly from sec.10 at the easterly half of sec.9 heading. 12" water pipe-crossing in Looking westerly on Cornhill, sec. 8.5 from Washington Street, Boston, Mass., May 6, 1897 Leak in 30" water pipe, sec.4 opp. Common St. looking northerly and downwards Leak in 30" water pipe, sec.4 Leak in 30" water pipe, sec.4, opp. Common St., looking northerly Leak in 30" water pipe. Sec. 4 opposite Common St, looking southerly Crack in 30" water pipe, taken out of westerly side of Tremont St., opposite Common St. Crack in 30" water pipe, taken out of westerly side of Tremont St. Looking southerly in trench opp. 287 Tremont St., Sec 4 Work on telephone conduits in Scollay Sq. opp. Hanover St. looking Southerly Work on telephone conduits in Scollay Sq. Driving piles in Old B+M station, looking northerly Test bearing power + C of piles in pit of old B&M Station. Pull on Pile #12, 25 tons, load on pile #15, 31 tons Looking up Cornhill from Washington Street, sec. 8.5, Boston, Mass. Details of iron-work, Boylston Street subway near Station 9+0
