A crowd gathers outside what was to be a new U.S. Post Office for the cornerstone laying ceremony on May 16, 1936.

Photo from the Walter P. Reuther Library, Wayne State University

The new post office branch and sorting facility is seen in late 1936, shortly after completion.

Photo from the Walter P. Reuther Library, Wayne State University

A small part of the massive mail-sorting operation.

Photo from the Walter P. Reuther Library, Wayne State University

A small part of the massive mail-sorting operation.

Photo from the Walter P. Reuther Library, Wayne State University

A small part of the massive mail-sorting operation.

Photo from the Walter P. Reuther Library, Wayne State University

Firefighters fight a fire that broke out in the Roosevelt warehouse in March 1987.

Image source unknown