While limestone formations are famous at Mackinac, other geological wonders lie hidden underfoot. This week, special programs highlight the grist mill which once ground grain into flour at Historic Mill Creek. Our millstones were hewn from “lost rocks,” boulders deposited by glaciers thousands of years ago. Learn what evidence of milling has been found here, […]

While limestone formations are famous at Mackinac, other geological wonders lie hidden underfoot. This week, special programs highlight the grist mill which once ground grain into flour at Historic Mill Creek. Our millstones were hewn from “lost rocks,” boulders deposited by glaciers thousands of years ago. Learn what evidence of milling has been found here, […]

While limestone formations are famous at Mackinac, other geological wonders lie hidden underfoot. This week, special programs highlight the grist mill which once ground grain into flour at Historic Mill Creek. Our millstones were hewn from “lost rocks,” boulders deposited by glaciers thousands of years ago. Learn what evidence of milling has been found here, […]

While limestone formations are famous at Mackinac, other geological wonders lie hidden underfoot. This week, special programs highlight the grist mill which once ground grain into flour at Historic Mill Creek. Our millstones were hewn from “lost rocks,” boulders deposited by glaciers thousands of years ago. Learn what evidence of milling has been found here, […]

While limestone formations are famous at Mackinac, other geological wonders lie hidden underfoot. This week, special programs highlight the grist mill which once ground grain into flour at Historic Mill Creek. Our millstones were hewn from “lost rocks,” boulders deposited by glaciers thousands of years ago. Learn what evidence of milling has been found here, […]

While limestone formations are famous at Mackinac, other geological wonders lie hidden underfoot. This week, special programs highlight the grist mill which once ground grain into flour at Historic Mill Creek. Our millstones were hewn from “lost rocks,” boulders deposited by glaciers thousands of years ago. Learn what evidence of milling has been found here, […]