Historical Marker
A Union Plan / The Broken Pincer
Historical marker location:
Battlefield, Missouri
( Marker can be reached from Tour Road, on the left when traveling south.)
Wilson's Creek.
The Gateway Arch, located in St. Louis, is the tallest arch in the world, standing 630 feet tall. It was built as a monument to the westward expansion of the United States and opened to the public in 1967.