Over the course of 20 years, nearly everything produced by Chicago Meat Authority has come from its location on 47th Place on the South Side of Chicago. The building has grown considerably over the years - seven expansions, including acquisition of adjacent land and building over alleys.
In 1865, the Union Stock Yard and Transit Co. opened in Chicago, becoming a major industrial lifeline for Sandburg's "City of Big Shoulders" for much of the next century.
