 With widths ranging between 5 and 8 meters, they follow a northwest to southeast path, running perpendicular to the river drainage system.The research to date has registered much data about The Pocora Causeway, whereas our knowledge of The Iroquois Causeway will never be complete due to its alteration and partial destruction over the years.The straight stone-paved Iroquois Causeway has been followed for about 660 m at the edge of the EARTH University reserve that contains the site.