Our Pick
Posted on @rawstates
Washburn A Mill explodes
May 2, 1878
Minneapolis, Minnesota
Flour dust ignited and levelled the largest mill in the world, killing eighteen and destroying a third of the city's milling capacity. The rebuilt mill introduced ventilation and roller milling that made Minneapolis the flour capital of the world for fifty years.
That was 1 of the hidden places.
Location: documented spot
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