Favorite this☆ Robinson's Folly on Mackinac Island Description: Orange mount. Two women sit on beach with Robinson's Folly (rock) and trees in background. Printed on front of stereocard: "Robinson's Folly." Handwritten on stereocard back: "Mackinaw Island, August, 1882." Details Resource ID: EB02m117 Subject: Rocks--Michigan--Mackinac Island Beaches--Michigan--Mackinac Island Stereographs Date Issued: 1882-08 Format: 1 photoprint on stereocard ; 4 x 7 in. Member of: Burton Historical Collection Filing Location: M/Localities-Mackinac Island-Rocks Rights: Physical rights are retained by DPL. Copyright is retained in accordance with U.S. copyright laws.