Rutland | Baltimore and Ohio Railroad | Pennsylvania Railroad | Union Pacific Railroad | Underground Railroad | New York Central Railroad | Alaska Railroad | Erie Railroad | Bennington, Vermont | Central Pacific Railroad | Illinois Central Railroad | First Transcontinental Railroad | Bennington College | Lehigh Valley Railroad | Lehigh and Susquehanna Railroad | Grand Funk Railroad | Chicago, Milwaukee, St. Paul and Pacific Railroad | Wabash Railroad | Railroad switch | Missouri Pacific Railroad | Boston and Albany Railroad | New York, New Haven and Hartford Railroad | Metro-North Railroad | Grand Rapids and Indiana Railroad | Bennington | Atlantic Coast Line Railroad | Albany and Susquehanna Railroad | Oregon Pacific Railroad | Great Railroad Strike of 1877 | Chicago, Burlington and Quincy Railroad |
Gardner then studied law and became an attorney and business owner in Bennington, Vermont, including serving as President of the Eagle Square Manufacturing Company and the Bennington and Rutland Railroad.