Summer Island site
The Summer Island site, designated 20DE4, is an archaeological site located on the northwest side of Summer Island, in Delta County, Michigan.
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Summer Island site
45.5667° N, -86.6333° E
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The Summer Island site, designated 20DE4, is an archaeological site located on the northwest side of Summer Island, in Delta County, Michigan. It is classified as a stratified, multi-component site with Middle Woodland (c. 100 B.C–500 A.D.), Upper Mississippian (c. 1000–1500 A. D.) and Early Historic/Protohistoric occupations (c. 1500–1700). It was listed on the National Register of Historic Places in 1971.
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