Really tight crop of the entire frame, just OK lighting and background. But I'll take what I can get, the 100-300 Panny is a really inexpensive way to get 600mm equivalent focal length.
Golden Spike National Historical Park is a United States National Historical Park located at Promontory Summit, north of the Great Salt Lake in east-central Box Elder County, Utah, United States.
It commemorates the completion of the first Transcontinental Railroad where the Central Pacific Railroad and the first Union Pacific Railroad met on May 10, 1869. The final joining of the rails spanning the continent was signified by the driving of the ceremonial Golden Spike.