sentences:  It featured a mansard roof with iron cresting and a corner tower capped with a dome and a statue of Lady Justice.In 1914, the county determined that the courthouse was too small for the city and they decided to build a new one.The old courthouse was sold and the new one, designed by the Minneapolis architect George Grant Elmslie in collaboration with the Sioux City architect William L. Steele and Elmslie's partner, William Gray Purcell, was constructed from July 10, 1916 to March 1, 1918 at a cost of $850,000.