Pi-wan-go-ning Prehistoric District - Credit: Wikimedia Commons
The Pi-wan-go-ning Prehistoric District is a collection of three archaeological sites located along Lake Michigan just north of Norwood, Michigan. The three sites are the Pewangoing Quarry (designated 20CX20); Whiskey Creek (designated 20CX22); and Fritz Trail (designated 20CX21). The district was listed on the National Register of Historic Places in 1973. Read more on Wikipedia
Source: en.wikipedia.org