Keweenaw Bay Ice (IMAGE) Michigan Technological University Caption The winter waters of Lake Superior make geometric art around the Keweenaw Bay where local Ojibwe families have fished for generations. Credit Sarah Bird/Michigan Tech Usage Restrictions Please credit the photographer. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.