This week we’re discussing clam gardens on the west coast of Canada and the US, and how indigenous people have been actively managing food resources in the area for thousands of years. Clam garden rock walls are thousands of years old, and people have been actively maintaining them up to today, but Europeans and the scientific community ignored their existence for a couple of centuries. We speak with Dana Lepofsky, Professor in the Department of Archaeology at Simon Fraser University, and Nicole Smith, a freelance archaeologist based in Victoria, about clam garden rock walls built into the coast of British...