The stamp sands at Gay are what's left of the copper ore that was processed at the nearby Mohawk Stamp Mill. In the early 1900's, the Mohawk Mining Company built the stamp mill to process ore from their mines to the northwest. After the copper was liberated from the ore, the left over stamp sands were dumped and piled up in Lake Superior. Now over a century later they've migrated miles to the southwest as lake currents move them. Because of this and the toxins found in the sa