
1) Arch city 2) Bowling hall of fame location 3) City named for a French king 4) City on the mississippi 5) Gateway Arch city 6) Gateway Arch locale 7) Gateway arch site 8) Gateway City 9) Gateway to the West 10) Major port on the Mississippi 11) City in Missouri 12) Site of a famed arch 13) Site of the Gateway Arch
Found on
https://www.crosswordclues.com/clue/stlouis

The St. Louis Limestone is named for St. Louis, Missouri, where it is extensively exposed. No type section was designated. The St. Louis is typically exposed in Illinois in the Mississippi River bluffs at Alton, Madison County. It is also well exposed in the Mississippi and Illinois Valleys in western and southern Illinois and along the Ohio River ...
Found on
http://www.encyclo.co.uk/local/22047
No exact match found.