TO DR. BARTON.
Washington, February 27, 1803.
Dear Sir,—I enclose to you a copy of two discourses sent you by Mr. Lalepida through the hands of Mr. Paine, who delivered them with some sent me. What follows in that letter is strictly confidential. You know we have been many years wishing to have the Missouri explored, and whatever river, heading with that, runs into the western ocean. Congress, in some secret proceedings, have yielded to a proposition I made them for permitting me to have it done. It is to be undertaken immediately, with a party of about ten, and I have appointed Captain Lewis, my Secretary, to conduct it. It was impossible to find a character who, to a complete science in Botany, Natural History, Mineralogy and Astronomy, joined the firmness of constitution and character, prudence, habits adapted to the woods, and familiarity with the Indian manners and character, requisite for this undertaking. All the latter qualifications Captain Lewis has. Although no regular botanist, &c., he possesses a remarkable store of accurate observation on all the subjects of the three kingdoms, and will therefore readily single out whatever presents itself new to him in either; and he has qualified himself for taking the observations of longitude and latitude necessary to fix the geography of the line he passes through. In order to draw his attention at once, to the objects most desirable, I must ask the favor of you to prepare for him a note of those in the lines of botany, zoology, or of Indian history, which you think most worthy of enquiry and observation. He will be with you in Philadelphia in two or three weeks, and will wait on you, and receive thankfully on paper, and any verbal communications which you may be so good as to make to him. I make no apology for this trouble, because I know that the same wish to promote science which has induced me to bring forward this proposition, will induce you to aid in promoting it. Accept assurances of my friendly esteem and high respect.