bac 
150 ANNUAL REPORT 
county officials decided to erect a fireproof building. This building was 
erected, in 1901 and 1902, entirely of steel concrete. It is a two story 
building erected in the form of a 1. The main building is 176 by 37 feet 
and the central stem is 60 by 52 feet in area. The whole is surmounted 
with a circular dome 25 feet in diameter and 62 feet high. The founda- 
tions, walls, columns, floors, roof, dome and ceilings are all of steel-con- 
crete, monolithic in construction. The body and trimmings of the ex-~ 
terior walls are beautifully contrasted by constructing the body of con- 
crete composed of crushed trap rock while the trimmings are of crushed 
marble concrete. The porch columns, interior columns, cornices, etc., 
are of the marble concrete. The interior walls are covered with a hard 
white plaster placed directly upon the concrete surface. The exterior 
walls, the concrete fences and gateways are bush hammered, giving a 
fine natural stone appearance. The floors in the building are of concrete 
in the proportion of I part cement, 2 sand and 3 parts crushed stone. 
They are 2% inches thick, in panels 20 to 30 inches wide and 12 to 28 
feet in length. The floors in the main portions of the building have 2 
Fig. 88.—Rotunda in Mineola Court House. z 
