When in Doubt, Stay Out! The Wisconsin Department of Natural Resources has confirmed the presence of blue-green algae in Lake Petenwell, Castle Rock Lake, Lake Sherwood, Lake Camelot, and Lake Arrowhead in Adams County. Illnesses in humans and animals potentially related to blue-green algae in these lakes have been reported as well.
The Battle of the Eureka Stockade, by which the rebellion is popularly known, was fought between miners and the Colonial forces of Australia on 3 December 1854 at Eureka Lead and named for the stockade structure erected by miners during the conflict.
In 1958, the Potash Company of America became the first potash producer in Canada with the commissioning of an underground potash mine at Patience Lake; however, due to water seepage in its shaft, production stopped late in 1959 but following extensive grouting and repairs, resumed in 1965.