The Legacy and Evolution of Silos in the Midwest’s Corn Belt

Silos are disappearing from the farm landscape. One woman wants to track them down before they do

The Overlooked Legacy of Midwestern Silos

In the vast expanses of the Corn Belt, silos often go unnoticed, standing quietly amid the fields. While they sometimes serve as landmarks or find new life through conversion into homes or public venues, many are simply demolished.

Yet, silos hold a significant place in Illinois history. The first Midwestern silo is believed to have been constructed in Spring Grove, Illinois, marking a turning point in agricultural development. Bill Kemp, a historian with the McLean County Museum of History, highlights the profound impact these structures had on farming practices in the region.

“Silos and all of these magnificent, very utilitarian buildings,” Kemp noted, “really speak to this rich, dynamic, very diverse agriculture that was practiced up until World War II — or the decade after World War II — when industrialization and commercialization and singular, two-crop farming came into play.”

Before the advent of silos, farmers struggled with the limitations of dried hay, which was cumbersome and perishable. Silos, being airtight, allowed farmers to store tightly packed corn, enabling fermentation and long-term storage. Initially constructed from wood, the transition to concrete by innovators like Frank May in the early 1900s revolutionized livestock farming by supporting larger herds.

Kemp explained that the initial skepticism among farmers quickly dissipated. “Once you would have a farmer in a particular township or in a rural neighborhood construct a silo and find how useful it was,” he said, “that would be quickly adapted by his or her neighbors.”

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