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.