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 of eighteen men might travel across-country from the Mississippi River, over the mountains, and to the Pacific Ocean and back again! He had figured very closely, had young Captain Lewis—perhaps because he was so anxious to go.

President Jefferson accepted the estimate of $2500, and in his message of January 18, 1803, to Congress, he proposed the expedition. He urged that at this small expense a party of soldiers, well led, could in two summers map a trail clear to the western ocean; bring back valuable information upon climate, soil and peoples, and make Americans better acquainted with their own continent; also encourage the traders and trappers to use the Missouri River as a highway to and from the Indians, thus competing with the British of Canada.

Congress voted to apply the $2500 on the proposed expedition. We may imagine how the tall, homely President Jefferson beamed—he, who so firmly believed in the expansion of American trade, and the onward march of the American flag. And we may imagine how young Captain Lewis glowed with joy, when now he might be definitely named as the leader to carry the flag.

President Jefferson advised him to go at once to Philadelphia, and study botany, geology, astronomy, surveying, and all the other sciences and methods that would enable him to make a complete report upon the new country. At Lancaster, nearby, the celebrated