City where you'll find the USA's tallest man-made monument
Clad in stainless steel and built in the form of an inverted, weighted 
catenary arch, it is the world's tallest arch, the tallest man-made monument in ..... 
Wirth had a committee led by George Hartzog determine the validity of the bids in
... [DOC] [TLE] Tallest man-made monument in USA - Review of Gateway Arch ... [PAR] Gateway Arch: Tallest man-made monument in USA - See 7562 traveler reviews, 
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