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Transcript: Jefferson's Instructions
for Meriwether Lewis
Thomas Jefferson and Early Western Explorers, Transcribed and
Edited by Gerard W. Gawalt, Manuscript Division, Library of Congress
[ante June 20 1803]
To <Captain> Meriwether Lewis esq. Capt. of the 1st. regimt,
of Infantry of the US. of A.
Your situation as Secretary of the President of the US. has made
you acquainted with the objects of my confidential message of Jan.
18. 1803 to the legislature; you have seen the act they passed,
which they expressed in general terms, was meant to sanction these
objects, and you are appointed to carry them into execution.
Instruments for ascertaining by celestial observations, the geography
of the country through which you will pass, have been already provided.
Light articles for barter and presents among the Indians, arms
for your attendants, say from 10. to 12. men, boats, tents, & other
travelling apparatus with ammunition, medicine, surgical instruments
and provisions you will have prepared with such aids as the Secretary
at War can yield in his department; & from him also you will
recieve authority to engage among our troops, by voluntary agreement,
the number of attendants above mentioned, over whom you, as their
commanding officer, are invested with all the powers the laws give
in such a case.
As your movements while within the limits of the US. will be better
directed by occasional communications, adapted to circumstances
as they arise, they will not be noticed here. What follows will
respect your proceedings after your departure from the United States.
Your mission has been communicated to the ministers here from
France, Spain & Great Britain, and through them to their governments; & such
assurances given them as to it's objects as we trust will satisfy
them. The country <of Lousiana> having been ceded by Spain
to France, <and possession by this time probably given,> the
passport you have from the minister of France, the representative
of the present sovereign of the country, will be a protection <against> with
all its subjects, & that from the minister of England will
entitle you to the friendly aid of any traders of that allegiance
with whom you may happen to meet.
The object of your mission is to explore the Missouri river, & such
principal stream of it as by it's course and communication with
the waters of the Pacific ocean whether the Columbia, Oregon, Colorado
or any other river may offer the most direct & practicable
water communication across this continent for the purposes of commerce.
Beginning at the mouth of the Missouri, you will take <careful> observations
of latitude & longitude at all remarkable points on the river, & especially
at the mouth of rivers, at rapids, at islands, & other places & objects
distinguished by such <durable> natural marks & characters
of a durable <nature> kind as that they may with certainty
be recognized hereafter. The course of the river between these
points of observation ma be supplied by the compass, the log-line & by
time, corrected by the observations themselves. The variations
of the compass too, in different places should be noticed.
The interesting points of the portage between the heads of the
Missouri, & of the water offering the best communication with
the Pacific ocean, should also be fixed by observation, & the
course of that water to the ocean, in the same manner as that of
the Missouri.
Your observations are to be taken with great pains & accuracy,
to be entered distinctly & intelligibly for others, as well
as yourself, to comprehend all the elements necessary, with the
aid of the usual tables, to fix the latitude and longitude of the
places at which they were taken, and are to be rendered to the
war office for the purpose of having the calculations made concurrently
by proper persons within the US. several copies of these as well
as of your other notes should be made at leisure times, & put
into the care of the most trust-worthy of your attendants, to guard
by multiplying them against the accidental losses to which they
will be exposed. A further guard would be that one these copies
be on the paper of the birch, as less liable to injury from damp
than common paper.
The commerce which may be carried on with the people inhabiting
the line your will pursue, renders a knolege of those people important.
You will therefore endeavour to make yourself acquainted <with> as
far as a diligent pursuit of your journey shall admit, with the
names of the nations & their numbers;
the extent & limits of their possessions; their relations
with other tribes of nations;
their language, traditions, monuments;
their ordinary occupations in agriculture, fishing, hunting, war,
arts & the implements for these;
their food, clothing, & domestic accomodations;
the diseases prevalent among them, & the remedies they use;
moral & physical circumstances which distinguish them from
the tribes we know;
peculiarities in their laws, customs & dispositions;
and articles of commerce they may need or furnish & to what
extent.
And considering the interest which every nation has in extending & strengthening
the authority of reason & justice among the people around them,
it will be useful to acquire what knolege you can of the state
of morality, religion, & information among them; as it may
better enable those who may endeavor to civilize & instruct
them, to adapt their measures to the existing notions & practices
of those on whom they are to operate.
Other objects worthy of notice will be
the soil & face of the country it's growth & vegetable
productions, especially those not of the US.
the animals of the country generally, & especially those not
known in the US.
the remains & accounts of any which may be deemed rare or
extinct;
the mineral productions of every kind; but more particularly metals;
limestone, pit-coal, & salt-petre; salines & mineral waters,
noting the temperature of the last & such circumstances as
may indicate their character;
volcanic appearances;
climate, as characterized by the thermometer, by the proportion
of rainy, cloudy, & clear days, by lightening, hail, snow,
ice, by the access & recess of frost, by the winds prevailing
at different seasons, the dates at which particular plants put
forth or lose their flower, or leaf, times of appearance of particular
birds, reptiles or insects.
Altho' your route will be along the channel of the Missouri, yet
you will endeavor to inform yourself, by enquiry, of the character & extent
of the country watered by it's branches & especially on it's
Southern side, the North river or Rio Bravo which runs into the
gulph of Mexico, and the North river, or Rio colorado which runs
into the gulph of California, are understood to be the principal
streams heading opposite to the waters of the Missouri, and running
Southwardly. Whether the dividing grounds between the Missouri & them
are mountains or flat lands, what are their distance from the Missouri,
the character of the intermediate country, & the people inhabiting
it, are worthy of particular enquiry. The Northern waters of the
Missouri are less to be enquired after, because they have been
ascertained to a considerable degree, & are still in a course
of ascertainment by English traders, and travellers. But if you
can learn any thing certain of the most Northern source of the
Missisipi, & of it's position relatively to the lake of the
woods, it will be interesting to us.
<Two copies of your notes at least & as many more as leisure
will admit, should be made & confided to the care of the most
trusty individuals of your attendants.> Some account too of
the path of the Canadian traders from the Missisipi, at the mouth
of the Ouisconsing to where it strikes the Missouri, & of the
soil and rivers in its <traverses> course, is desirable.
In all your intercourse with the natives, treat them in the most
friendly & conciliatory manner which their own conduct will
admit; allay all jealousies as to the object of your journey, satisfy
them of it's innocence, make them acquainted with the position,
extent character, peaceable & commercial dispositions of the
US. of our wish to be neighborly, friendly, & useful to them, & of
our dispositions to a commercial intercourse with them; confer
with them on the points most convenient as mutual emporiums, and
the articles of most desireable interchange for them & us.
If a few of their influential chiefs within practicable distance,
wish to visit us, arrange such a visit with them, and furnish them
with authority to call on our officers, on their entering the US.
to have them conveyed to this place at the public expence. If any
of them should wish to have some of their young people brought
up with us, & taught such arts as may be useful to them, we
will recieve, instruct & take care of them. Such a mission
whether of influential chiefs or of young people would give some
security to your own party.Carry with you some matter of the kinepox;
inform those of them with whom you may be, of it's efficacy as
a preservative from the smallpox; & instruct & encourage
them in the use of it. This may be especially done wherever you
winter.
As it is impossible for us to foresee in what manner you will
be recieved by those people, whether with hospitality or hostility,
so is it impossible to prescribe th exact degree of preserverance
with which you are to pursue your journey. We value too much the
lives of citizens to offer them to probable destruction. Your numbers
will be sufficient to secure you against the unauthorised opposition
of individuals or of small parties: but if a superior force authorised,
or not authorised by a nation, should be arrayed against your further
passage, and inflexibly determined to arrest it, you must decline
it's farther pursuit, and return.In the loss of yourselves, we
should lose also the information you will have acquired. By returning
safely with that, you may enable us to renew the essay with better
calculated means. To your own discretion therefore must be left
the degree of danger you risk, and the point at which you should
decline, only saying we wish you to err on the side of your safety,
and to bring back your party safe even if it be with less information.
As far up the Missouri as the white settlements extend, an intercourse
will probably be found to exist between them & the Spanish
posts of St. Louis opposite Cahokia, or Ste. Genevieve opposite
Kaskaskia. From still further up the river, the traders may furnish
a conveyance for letters. Beyond that, you may perhaps be able
to engage Indians to bring letters for the government to Cahokia
or Kaskaskia, on promising that they shall there recieve such special
compensation as you shall have stipulated with them. Avail yourself
of these means to communicate to us, at seasonable intervals, a
copy of your journal, notes & observations, of every kind,
putting into cypher whatever might do injury if betrayed.
Should you reach the Pacific ocean inform yourself of the circumstances
which may decide whether the furs of those parts may not be collected
as advantageously at the head of the Missouri (convenient as is
supposed to the waters of the Colorado & Oregan or Columbia)
as at Nootka sound, or any other point of that coast; and that
trade be consequently conducted through the Missouri & U.S.
more beneficially than by the circumnavigation now practised.
On your arrival on that coast endeavor to learn if there by any
port within your reach frequented by the sea-vessels of any nation, & to
send two of your trusty people back by sea, in such way as <they
shall judge> shall appear practicable, with a copy of your notes:
and should you be of opinion that the return of your party by the
way they went will be eminently dangerous, then ship the whole, & return
by sea, by the way either of cape Horn, or the cape of good Hope,
as you shall be able. As you will be without money, clothes or
provisions, you must endeavor to use the credit of the U.S. to
obtain them, for which purpose open letters of credit shall be
furnished you, authorising you to draw upon the Executive of the
U.S. or any of it's officers, in any part of the world, on which
draughts can be disposed of, & to apply with our recommendations
to the Consuls, agents, merchants, or citizens of any nation with
which we have intercourse, assuring them, in our name, that any
aids they may furnish you, shall be honorably repaid, and on demand.
Our consuls Thomas Hewes at Batavia in Java, Wm. Buchanan in the
Isles of France & Bourbon & John Elmslie at the Cape of
good Hope will be able to supply your necessities by draughts on
us.
Should you find it safe to return by the way you go, after sending
two of your party round by sea, or with your whole party, if no
conveyance by sea can be found, do so; making such observations
on your return, as may serve to supply, correct or confirm those
made on your outward journey.
On re-entering the U.S. and reaching a place of safety, discharge
any of your attendants who may desire & deserve it, procuring
for them immediate paiment of all arrears of pay & cloathing
which may have incurred since their departure, and assure them
that they shall be recommended to the liberality of the legislature
for the grant of a souldier's portion of land each, as proposed
in my message to Congress; & repair yourself with your papers
to the seat of government <to which I have only to add my sincere
prayer for your safe return>.
To provide, on the accident of your death, against anarchy, dispersion, & the
consequent danger to your party, and total failure of the enterprize,
you are hereby authorized, by any instrument signed & written
in your own hand, to name the person among them who shall succeed
to the command on your decease, and by like instruments to change
the nomination from time to time as further experience of the characters
accompanying you shall point out superior fitness: and all the
powers and authorities given to yourself are, in the event of your
death, transferred to, & vested in the successor so named,
with further power to him, and his successors in like manner to
name each his successor, who, on the death of his predecessor,
shall be invested with all the powers & authorities given to
yourself.
Given under my hand at the city of Washington this 20th day of
June 1803.* ... Th. J. Pr. U.S. of A.
MS in the hand of Thomas Jefferson. Thomas Jefferson Papers, Library
of Congress.
*Dateline and signature were written on a later date and with
a different pen and ink, than the body of the document, which had
been sent to Lewis, James Madison, Levi Lincoln, and Albert Gallatin
for their comments in April.
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