CHAPTER XXXVI.. The Mississippi River.

THE MISSISSIPPI RIVER.

An interval of literary work.--Conception of another expedition.-- Reflections upon the Old Explorers.--Indian rumors.--Determined to find the true source of the Great River.--Starting on the eventful journey.--Joined by his brother George and Barrett Channing Paine.--Collecting materials for the expedition.--Brainerd the first point of departure.--Through the Chippewa country.--Seventy miles of government road.--Curiosity its own reward.--Arrival at Leech Lake 437