The main entrance on Wabasha Street opened onto the first floor, where the governor, attorney general, auditor, treasurer, and secretary of state had offices.
The Assembly (House of Representatives) chamber in the Tenth Street wing featured a twenty-five-foot ceiling with a large stained glass skylight.
The Supreme Court chamber in the Exchange Street wing featured woodwork of cherry and Hungarian ash.
The basement contained offices for the state historical society, supply rooms, a barber shop, and restrooms.
To minimize the threat of fire, slabs made of ashes and cement covered floors and walls.
He included a separate forty-foot-square red brick boiler and engine house on the northeast corner of the Capitol square.
[1] The ventilation system of four large air shafts running from basement to the roof, thought to be state-of-the-art, proved the fatal flaw in the building's design.
[4] [1] Due to poor ventilation lack of space, and other building concerns, plans were laid for a new state Capitol.