The Curse of Oak Island

Clay Mine Revelation

At the swamp, Ian Spooner reveals that samples taken from the eye of the swamp have a high Mercury content. His colleague, archaeologist Aaron Taylor, joins the group to examine the stone structures at the eye of the swamp and the paved area. Together, they hypothesize that the eye of the swamp was a clay mine and the paved area provided access by horses and carts. (Season 7, Episode 18)