CHAPTER XXXIII.
EXPEDITIONS TO THE FRONTIER OF THE FUR COUNTRY.
A disputed boundary--Sources of the Mississippi--The fur traders push southward--Expedition up the Missouri--Lewis and Clark meet Nor'-Westers--Claim of United States made--Sad death of Lewis--Lieutenant Pike's journey--Pike meets fur traders--Cautious Dakotas--Treaty with Chippewas--Violent death--Long and Keating fix 49 deg. N.--Visit Fort Garry--Follow old fur traders' route--An erratic Italian--Strange adventures--Almost finds source--Beltrami County--Cass and Schoolcraft fail--Schoolcraft afterwards succeeds--Lake Itasca--Curious origin of name--The source determined 326