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Oldale, Robert N., 1990, How Cape Cod and the Islands were formed, in O'Brien, Greg, ed., A guide to nature on Cape Cod and the Islands: New York, Penguin Books, p.. 15-26.

Oldale, Robert N., 2001, Cape Cod, Martha's Vineyard, and Nantucket, the geologic story (revised): Yarmouthport, Massachusetts, on Cape Publications, 208 p.

Wood, Timothy J., 1991, Breakthrough, The Story of Chatham's North Beach: Chatham, Massachusetts, Hyora Publications Inc., 72 p.