Graue Grist Mill and Museum at Oak Brook a suburb of Chicago, shown here with panels recording the slave trade and use as a Underground Railroad

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Graue Grist Mill was established by the Graue family who were forced to leave their home in northern Germany since they were Protestants in a largely Catholic area. The mill took 7 years to build. Its prime use for grinding of serials to make flour. In winter they produced ice. They also had a small general store. During the slave trade era the mill was one of several safe houses for slaves fleeing north to Canada part of a network named the Underground Railroad

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Size: 3473px × 5500px
Location: Oak Brook, Chichago
Photo credit: © Allan Hartley / Alamy / Afripics
License: Licensed
Model Released: No

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