State Line Tunnel bewtwen New York and Massachusetts, 6390-B State Line Tunnel bewtwen New York and Massachusetts, 6391-B State Line Tunnel, looking east into Massachusetts toward the Berkshires, 6392-B State Line, view from above tunnel looking east into Massachusetts and Berkshire Mountains, 6393-B State Line, view from above tunnel looking west into New York State, 6394-B Construction in connection with the new Union Station, looking north about Grafton Street, tower of old station in the background, Worcester, Massachusetts, 6395-B Construction of the Green Street bridge, Worcester, Massachusetts, 6396-B Madison Street arch bridge, Worcester, Massachusetts, 6397-B Harding Street bridge, Worcester, Massachusetts, 6398-B Gardner Street arch bridge, Worcester, Massachusetts, 6399-B Construction of Southbridge Street bridge abutments, Worcester, Massachusetts, 6400-B Southbridge Street bridge construction, east abutment, south end, Worcester, Massachusetts, 6401-B Construction of the Southbridge Street bridge, Worcester, Massachusetts, 6402-B Plymouth Street Subway, Worcester, Massachusetts, 6403-B Construction of abutments for Washington Street during grade crossing elimination project, Worcester, Massachusetts, 6404-B Franklin Street and Harding Street bridges, Worcester, Massachusetts, 6405-B Two portraits of unidentified man, 6406-B Covered bridge #395 on Ware River branch, Barre, Massachusetts, 6407-B South approach of Everett Street bridge, Allston, Boston, Massachusetts, 6408-B Construction of Everett Street bridge, Allston, Boston, Massachusetts, 6409-B Construction of Everett Street bridge, main truss of bridge being placed, Allston, Boston, Massachusetts, 6410-B Floor of Cottage Farm bridge, Boston, Massachusetts, 6411-B Commonwealth Avenue, embankment at Cottage Farm, Boston, Massachusetts, 6412-B Cambridge Street bridge during construction, Allston, Boston, Massachusetts, 6413-B Kneeland Street Station, looking west from train shed toward Kneeland Street, showing American Express building and U.S. mail wagon, Boston, Massachusetts, 6464-B Kneeland Street Yard, in back of Kneeland Street Station, Boston, Massachusetts, 6465-B Boston Yard, taken from under bridge #7, between Tremont, Arlington, & Berkeley Streets, Back Bay, Boston, Massachusetts, 6466-B Kneeland Street Station, rear of train shed, used prior to South Station, Boston, Massachusetts, 6470-B Looking up Fort Point Channel from the roof of South Station, roof of train shed in foreground, Boston, Massachusetts, 6471-B Looking up Federal Street from top of South Station, Boston, Massachusetts, 6472-B Interior of train shed, South Station, Boston, Massachusetts, 6473-B Roof of South Station, behind pediment facing Dewey Square, men unknown, Boston, Massachusetts, 6474-B South Station, taken from Dewey Square (probably at opening), Boston, Massachusetts, 6475-B Trinity Place Station, Boston, Massachusetts, 6476-B Trinity Place Station, looking north, Trinity Court apartments in the background, Boston, Massachusetts, 6477-B Trinity Place Station, looking north, Trinity Court apartments in the background, Boston, Massachusetts, 6478-B Taken in front of Huntington Avenue Station (Dartmouth Street bridge in foreground), Trinity Place Station on left, Back Bay Station and end of old Commonwealth Armory on right, Boston, Massachusetts,… Trinity Place Station (on right) and Back Bay Station (on left), Boston, Massachusetts, 6480-B Huntington Avenue Station, looking east from under Hunting Avenue Bridge, Boston, Massachusetts, 6481-B Allston Station, Allston, Boston, Massachusetts, 6482-B Faneuil Station, Boston, Massachusetts, 6483-B Faneuil Station, Boston, Massachusetts, 6484-B Faneuil Station, Boston, Massachusetts, 6485-B Bridge #195 under construction, west abutment, East Chatham, Chatham, New York, 8000-B Bridge #195 under construction, East Chatham, Chatham, New York, 8001-B Bridge #149, northwest corner of west abutment, Becket, Massachusetts, 8002-B Bridge #149, Becket, Massachusetts, 8003-B Bridge #145, Becket, Massachusetts, 8004-B High Street Bridge from west, 8006-B Bridge #210A, Chatham, New York, 8007-B