How a 700-year-old dugout canoe was found in Cape Porpoise Harbor In June 2019, Tim Spahr and other members of Cape Porpoise Archaeological Alliance excavated a 700-year-old dugout canoe found in the mudflats Author: Beth McEvoy (NEWS CENTER Maine) Published: 3:02 PM EDT May 27, 2021 Updated: 3:20 PM EDT May 27, 2021 KENNEBUNKPORT, Maine — When we think of archaeological sites, our mind might wander to 10,000-year-old dinosaur fossils being unearthed in the western United States or the tombs of the pyramids in Egypt. Rarely do we think of the shores of Maine as being a treasure trove of clues about an ancient people. But in fact, they are.