In addition to commercial buildings, the district also includes the post office, a theater, and a fraternal lodge.
The period of significance begins in 1913 when a building boom of more "modern" construction began and ends in 1935.
A fire started by fireworks destroyed nearly two full blocks, and affected 70 businesses and professional offices.
The Iowa Legislature passed a law banning the sale of fireworks throughout the state.
This article about a property in Clay County, Iowa on the National Register of Historic Places is a stub.