Podcast:Outside/In Published On: Thu May 25 2017 Description: Up along the banks of the Damariscotta River in Maine there used to be two stadium-sized piles of oyster shells. Where did they come from? Why are they there? What can they tell us about the people that created them? There are mysteries abound in the middens! Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.