
I guess the people back then were huge fans of gray limestone? They wanted 21 stories' worth!
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In downtown Kansas City, Missouri, on March 27th, 2022, the former Federal Reserve Bank of Kansas City (built 1920-1921; designed by Graham, Anderson, Probst & White; vacated by the Federal Reserve in 2008; later known as 925 Grand; 07000327 on the National Register of Historic Places) at the northeast corner of East 10th Street and Grand Boulevard, as viewed from the southeast corner of 11th and Grand.
Per the above-linked document, the building is clad in Bedford limestone, a/k/a Indiana limestone, which is known geologically as the Salem Limestone formation of the Sanders group, formed during the Viséan age of the Mississippian subperiod of the Carboniferous period of the Paleozoic era, ~346.7 to ~330.9 million years ago.
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Getty Thesaurus of Geographic Names terms:
• Jackson (county) (2001208)
• Kansas City (7013820)
Art & Architecture Thesaurus terms:
• Carboniferous (300391469)
• construction equipment (300022242)
• Federal Reserve banks (300005219)
• historic buildings (300008063)
• hoists (300022360)
• Indiana limestone (300011321)
• light gray (300130813)
• Neoclassical (300021477)
• office towers (300007046)
• Paleozoic (300391254)
• public buildings (governmental buildings) (300008059)
• skyscrapers (300004809)
Wikidata items:
• 27 March 2022 (Q69306379)
• 1920s in architecture (Q11185486)
• 1921 in architecture (Q2744711)
• Downtown Kansas City (Q2944777)
• Federal Reserve Bank of Kansas City (Q2166296)
• Federal Reserve Bank of Kansas City Building (Q4645798)
• Grand Boulevard (Q5594327)
• Kansas City-Overland Park-Kansas City, MO-KS Combined Statistical Area (Q111496508)
• March 27 (Q2457)
• March 2022 (Q61312974)
• Mississippian (Q744718)
• National Register of Historic Places (Q3719)
• neoclassical architecture (Q54111)
• Salem Limestone (Q18353656)
• Sanders Group (Q119059527)
• Treaty with the Osage, 1825 (Q7105525)
• Viséan (Q647290)
Library of Congress Subject Headings:
• Public buildings—Missouri (sh85086231)
Union List of Artist Names IDs:
• Graham, Anderson, Probst and White (American architectural firm, active ca. 1917-1937) (500211798)