Diggers: Season 3, Episode 7 - ProjectFreeTV

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The duo is headed to Fort McKinley, a turn-of-the-20th-century fort in Portland, Maine. Legend says a cannon barrel was buried here, and the guys set out to find it, starting at a parade ground where soldiers marched. The soldiers could've dropped items along the way and the guys are determined to find enough military buttons to decorate a jacket. Next, they head to the island's bunkers to see what weaponry is still in the ground, and find one of the biggest ammunition pockets of their careers.