There Were Once More Than 425 Shellmounds in the Bay Area. Where Did They Go?

<p>These mounds were used by Ohlone as burial sites for their ancestors, to help navigate bay waters and as a gathering place.</p><p><br></p><p>Reported by Laura Klivans. Bay Curious is made by Olivia Allen-Price, Jessica Placzek, Paul Lancour, Ryan Levi and Suzie Racho. Additional support from Julie Caine, Ethan Lindsey, Katie McMurran and David Weir. Holly Kernan is Vice President for News. Theme music by Pat Mesiti-Miller. Ask us a question or sign up for our newsletter at BayCurious.org. Follow Olivia Allen-Price on Twitter @oallenprice.</p>