CHAPTER XLIII.
Expedition to, and discovery of, Itasca Lake, the source of the Mississippi River--Brief notice of the journey to the point of former geographical discovery in the basin of Upper Red Cedar, or Cass Lake--Ascent and portage to Queen Anne's Lake--Lake Pemetascodiac--The Ten, or Metoswa Rapids--Pemidgegomag, or Cross-water Lake--Lake Irving--Lake Marquette--Lake La Salle--Lake Plantagenet--Ascent of the Plantagenian Pork--Naiwa, or Copper-snake River--Agate Rapids and portage--Assawa Lake--Portage over the Hauteur des Terres--Itasca Lake--Its picturesque character--Geographical and astronomical position--Historical data..