Looking northerly on Washington Street from Summer Street, Boston, Mass. Sec.5 near Water St. In sec.2, Washington St. subway Sec.5, Washington St. tunnel showing centre core Rear of building over LaGrange St. entrance, sec.2, Washington St. tunel Rear of building s. side Lagrange St. corner of Washington St. Rear of building over Lagrange St. entrance Rear of buildings Washington St. near s. corner Lagrange St. Underpinning Old South Building Underpinning Old South Building Stairway inclined elevators, State St. BT&S Underpinning Old South Building Underpinning Old South Building Underpinning Old South Building Underpinning Old South Building Looking northerly in sec.4, Washington St. subway Looking north in sec.4 BTS Platform over subway for easterly track, sec.5 Looking south in sec.4 Looking northerly in sec.5, Washington St. tunnel Looking northely in sec.5, Washington St. tunnel Concrete mixer, sec.8, Washington St. subway Looking southerly in easterly barrel sec.8, Washington St. subway Underpinning party walls, #30 Washington St. Underpinning Rogers Building section 6, B.T.&S., 209 Washington Street, Boston, Mass., June 1907 Looking easterly to Ward Relief Station Braces at southerly end State St. Stairways from Winter station, Washington St. subway Boylston St. entrance and exit, Washington St. subway Lagrange St. lobby, Washington St. subway Essex station, Washington St. subway looking southerly Looking northerly, Milk Station Washington station Looking southerly, Milk Station, Washington St. subway Stairway and inclined elevators, State Street Station, Washington Street tunnel, Boston, Mass. Entrance and exit Essex station Washington St. tunnel Exit from Boylston Station, Washington Street tunnel, Boylston Street, Boston, Mass. Boylston station, Washington St. tunnel Boylston St. exit from Washington St. tunnel Exit, Essex Station, Washingotn St. subway Hayward Place entrance exit, Essex Station, Washington Street subway, Boston, Mass. Changes at Pleasant St. Reno inclined elevator, State Station, BT&S Steel yard, Canal St. Steel yard, Canal St., private job Steel yard, Canal St., private job Steel yard, Canal St., private job Looking north from southerly end State Sta. showing braces Looking north from northerly end Winter Sta, Washington St. tunnel Inclined elevators and stairways, State St. W. side of Ash St.