Soon after his resignation, Upham accepted a position as general superintendent of the Concord Railroad, a train line connecting Concord to the Boston and Lowell Railroad.
Nathaniel Hawthorne | Nathaniel Lyon | Nathaniel P. Banks | Nathaniel Bowditch | Nathaniel Philbrick | Nathaniel Dance | Nathaniel Westlake | Nathaniel Rosen | Upham, New Mexico | Nathaniel Wallich | Nathaniel Parker Willis | Nathaniel Lardner | Nathaniel Kahn | Nathaniel Peabody Rogers | Nathaniel L. Carpenter | Nathaniel Kern | Nathaniel Heckford | Nathaniel Greene | Nathaniel Bacon | Nathaniel W. Watkins | Nathaniel Wheeler | Nathaniel T. Oaks | Nathaniel Thayer | Nathaniel Stookey | Nathaniel P. Hill | Nathaniel Philip Rothschild | Nathaniel Morton | Nathaniel Merrill | Nathaniel Macon | Nathaniel Lord Britton |