Round Rock br/Williamson County, Texasbr/30 30.530' N 97 40.659' W br/203 E. Main Avenue br/br/Text: Erected to house private bank as well as hardware and lumber business of John A. Nelson and Associates. Bank was closed in 1922; commercial use continues. Architecturally important for facade of case iron and pressed tin. Ornamented pilasters and columns of this type were used in many late 19th-early 20th century structures in central Texas. This front is notable for its continuous preservation. the building is of native limestone.