What Was Found Beneath The Great Serpent Mound?
What Was Found Beneath The Great Serpent Mound? In fact, the head of the creature approaches a steep, natural cliff above the creek. The unique geologic formations suggest that a meteor struck the site approximately 250-300 million years ago, causing folded bedrock underneath the mound. What is inside the Serpent Mound? That is, Serpent Mound