Could you contribute material for this article? Click the edit tab above to open the editing window. Then replace this text with your own. See also Localism External links www.groundswellsociety.org www.groundswellsociety.org Introduction to the Fourth Edition. Retrieved from "https://surfing.fandom.com/wiki/Groundswell_Society?oldid=4757" Categories: Surfing associations Community content is available under CC-BY-SA unless otherwise noted.