Dyke (1987). "Late Wisconsinan and Holocene History of the Laurentide Ice Sheet". Géographie Physique et Quaternaire. 41 (2): 237-263. doi:10.7202/032681ar.
Late Wisconsinan and Holocene History of the Laurentide Ice Sheet, 10.7202/032681ar; Arthur S. Dyke, Victor K. Prest; Geological Survey of Canada; Ottawa, Ontario; 1987; http://id.erudit.org/iderudit/032681ar
William J. Broad (5 Haziran 2018). "How the Ice Age Shaped New York". The New York Times. 8 Mayıs 2019 tarihinde kaynağından arşivlendi. Erişim tarihi: 24 Şubat 2019. the ice was about 2,000 feet thick over Manhattan
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William J. Broad (5 Haziran 2018). "How the Ice Age Shaped New York". The New York Times. 8 Mayıs 2019 tarihinde kaynağından arşivlendi. Erişim tarihi: 24 Şubat 2019. the ice was about 2,000 feet thick over Manhattan