11. Kettle lakes form when a retreating glacier leaves behind an underground chunk of ice.12. Melting ice blocks in the outwash deposits formed distinctive circular features called kettle lakes . 13. Kettle lakes may be formed within the ground moraine region behind the terminal moraines.14. Puslinch Lake in Ontario, Canada, is the largest kettle lake in Canada spanning. 15. Two kettle lakes , Chenango Lake and Lily Lake, are found within the park. 16. Numerous kettle lakes sit on the moraine. 17. Numerous examples of kettle lakes can be found to the northwest of the Cape Cod Canal. 18. Called Lakeville Lake by locals, Silver Lake is believed to be a glacial kettle lake . 19. No kettle lakes are found on the lakebed because lakebed deposits would have filled their depressions. 20. An ancient glacial kettle lake on the property was dredged and 5000 truckloads of silt removed.