Here's an example of a street-name change. Galt Avenue was changed to Agatite. According to the Chicago History Museum, "Agatite Ave...once thought to be named after the Agitate tree of the West Indies, but there is no such tree so the name remains a mystery." According to the same source, Hazel was named after the Hazel nut.
Here's a vintage view of the southeast corner:
The view today:
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