Joseph "Diamond Joe" Reynolds was a New York native who started working in a gristmill in the 1840s.

[2] Because of difficulties accessing steamboats to ship grain down the Mississippi River, he established the Diamond Jo line in 1866.

By the late 1870s railroads had taken over as the primary means of shipping grain, and Reynolds turned his attention to passenger boats.

It features round arch windows and doorways, a terra cotta and a triangular pediment above the main entrance.

This article about a property in Clayton County, Iowa on the National Register of Historic Places is a stub.