Greenstone Ridge is a ridge located in Keweenaw County, Michigan. It appears on the Point Houghton USGS 7.5-minute topographic quadrangle. The nearest populated place is Windigo, approximately 12.6 miles to the WSW.
Keweenaw County · Michigan
Greenstone Ridge is a ridge located in Keweenaw County, Michigan. It appears on the Point Houghton USGS 7.5-minute topographic quadrangle. The nearest populated place is Windigo, approximately 12.6 miles to the WSW.