Fig Island
... that Fig Island includes one of the largest and most complex Late Archaic shell rings in North America, and one of the best preserved circular shell rings?
... that <b id="mwBP0"><a href="./Fig_Island" id="mwBP4" rel="mw:WikiLink" title="Fig Island">Fig Island</a></b> includes one of the largest and most complex <a class="mw-redirect" href="./Archaic_period_in_the_Americas" id="mwBP8" rel="mw:WikiLink" title="Archaic period in the Americas">Late Archaic</a> shell rings in North America, and one of the best preserved circular shell rings?