During the LGM , the Laurentide Ice Sheet covered most of North America , while Beringia connected Siberia with Alaska . During the LGM the Laurentide Ice Sheet covered most of northern North America while Beringia connected Siberia to Alaska .
Semasa LGM, Lembaran Ais Laurentide meliputi sebahagian besar Amerika Utara, sementara Beringia menghubungkan Siberia dengan Alaska. Semasa LGM Lembaran Ais Laurentide meliputi sebahagian besar utara Amerika Utara manakala Beringia menghubungkan Siberia ke Alaska.