ern and Gulf states, the control of the Mississippi River, and, as Jefferson believed and claimed, the whole country to the Pacific Ocean. He had, perhaps, but little knowledge of its vastness or its value, but it has been said that his friend, the great naturalist Audubon, who wandered up and down the world searching out its wonders and beauties, had told him many things about the great western country. So he again appealed to Congress for an appropriation to send out an expedition to learn something of the nature and value of their new possessions. The pitiful sum of two thousand five hundred dollars was allowed. Captains Lewis and Clark of the United States army were selected to lead the expedition, and with them were sent a botanist, a geologist, an engineer, and some soldiers, who were required each to make a full report of their journey, which took three years to accomplish. It is significant of the indifference of the government in the matter that these reports were sent to Washington and were laid aside for several years when—through Jefferson's influence again—the captains' reports were handed over to Richard Biddle of Philadelphia, who made a brief abstract of them, constituting one small volume, that passed for many years as an account of the Lewis and Clark exploration, and it has not been until within the past three years that any genuine copy of these
