When lake levels were lower, during the retreat of the last ice sheets, this highly prized resource was exposed and mined, dispersing Kettle Point chert to far reaches of the region in the form of projectile points, scrapers and other tools.
This highly prized resource was exposed and mined, dispersing Kettle Point chert to far reaches of the region in the form of projectile points. This highly prized resource was exposed and mined, dispersing Kettle Point chert to far reaches of the region in the form of scrapers. This highly prized resource was exposed and mined, dispersing Kettle Point chert to far reaches of the region in the form of other tools. Lake levels were lower. This was during the retreat of the last ice sheets.