Chicago Board of Trade Tower

Spire		605 ft
	Roof		574 ft

http://skyscraperpage.com/cities/?buildingID=2335 44 stories
http://skyscraperpage.com/diagrams/?searchID=75218397&offset=50

https://upload.wikimedia.org/wikipedia/commons/c/cf/Chicago-00.jpg

https://en.wikipedia.org/wiki/List_of_tallest_buildings_in_Chicago#Tallest_buildings

https://jf-databits.blogspot.ca/search?q=Chicago