 The people to the south were associated with the world of the Saint Lawrence coast, while those to the north were more associated with the large interior lakes.The oldest known site on the Sainte-Marguerite is found on the portage, a temporary halt where hunters took the time to cut or sharpen spear points about 4,000 years ago.Another site along the Grand Portage is on the north shore of Lac Jourdain (map), containing 11 structures with 61 stone tools and over 7,000 shards.