Greenfield Island is a island located in Mackinac County, Michigan. It appears on the Curtis West USGS 7.5-minute topographic quadrangle. The nearest populated place is Curtis, approximately 3.3 miles to the SE.
Mackinac County · Michigan
Greenfield Island is a island located in Mackinac County, Michigan. It appears on the Curtis West USGS 7.5-minute topographic quadrangle. The nearest populated place is Curtis, approximately 3.3 miles to the SE.