Lamps at the entrance of the subway Lamps at the entrance of the subway Supporting Hotel Carter, Tremont St. Incline at the corner of Hanover & Friends Sts. looking southerly Sec.3 near sec.1 in Tremont St. mall, looking southwest Interior of sec.10, working southerly Interior of sec.10, looking southerly from near Haymarket Sq. Interior of sec.6, looking northerly opp. Boston Museum Sec.5, showing amount of Tremont St. occupied Sec.5, showing amount of Shawmut Ave. occupied Sec.5, showing northerly Sec.5, looking northerly from Corner of Pleasant St. + Shawmut Ave. Work at the corner of Washington + Hanover Sts., looking south In sidewall trench, sec.8, Hanover St. Pipe-crossing opp. west St., sec.3 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 Bracing in trench at section 2 on Boylstion Street mall, looking westerly Excavation at section 3, looking northerly Tunnel for 24" x 12" gas pipes at section 3 Cave-in of trench for water conduit at section 2, looking easterly Cave-in of trench for water conduit at section 2, looking southerly Looking northerly on section 3 from near West Street foot-bridge Looking west at trench in section 2 showing bracing etc. Gas pipe tunnel at section 3, looking northerly Looking west on Boylstion Street mall, section 2 Looking easterly on section 2 showing bracing, screening apparatus, etc.(Tremont Street) Raising a 30" water pipe on Tremont Street looking northerly from near Eliot Street Raising a 30" water pipe on Tremont Street looking northerly from near Eliot Street Some bracing on section 2 looking west (Tremont Street) Looking easterly on section 2 showing machinery (Tremont Street) Work on section 2 looking easterly (Tremont Street) Looking northerly at eastern bank of sec. 3 showing slope, Tremont and Park Streets, Boston, Mass.