In what county lies Scranton, Pennsylvania and the Union Pacific 4012?
Union Pacific 4012: Union Pacific 4012 is one of the world's largest steam locomotives and is one of eight preserved Union Pacific Big Boy locomotives. Union Pacific 4012:  Built by American Locomotive Company in November 1941, Big Boy 4012 was retired in 1962 and can be viewed at Steamtown National Historic Site in Scranton, Pennsylvania.
i don't know