Denver . Courthouse Square. City is granted rehearing on courthouse square sale: N. My 21,'46 p.15 Taxpayers file reply an square. Post, June 19, 1946 p.24 Supreme court approves sale of courthouse square. Denver taxpayers protective association moves to prevent sale of courthouse square Post Dec#28,1946 p.1 William Zeckendorf of the N.Y. new york : firm, Webb & Knapp, plans to build skyscrapper on courthouse square.