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Title David Thompson letter to Anthony Barclay
Date April 30, 1822
Description 1 letter; 5 pages
People Thompson, David, 1770-1857
Search Terms International Boundary Commission
Treaty of Ghent
Scope & Content 1822_Apr_30

Montreal 1822
April 30
Anthony Barclay Esqr

I have received
you letter of the 6th March, inclosing the bils of Ex
-change for my salary ending the 5th April: for which
I am very much obliged to you; and yesterday
your favor of the 30th March came to hand. I hope
the maps and my letter of March 16th, have come safe
to your hands, and are such as give satisfaction.
the map of Lake St. Clair; the channels and River
St. Clair on the scale of 5 inches to one mile were finished
and sent off to Cornwall about the 6th April; there
to wait the passing of some naval or military gen-
tleman, travelling to Kingston; they cost me 2 quires
of tracing paper. since the death of Col. Ogilvie
we have not seen the map of Lake Ontario, which he
procured from the Engineers office at Quebec: I again?
made search for it among the papers at this place
by Mr. Ross, but cannot be found. In the letter
of March I wrote Mr. Hale to procure another copy for
the same office which we have not yet received.
At this time all the other copies of maps required
are now done, and brought down hereto; I shall
pay every attention to the orders received in your
letter of the 30th March (just received) I hope the maps
will meet your approbation; they have cost us
more labor than we expected, on account of our being
obliged to transfer the copy on tracing paper, we brought
from New York; to drawing paper, before we could
make fair copies. IN looking over my minutes of
your orders at New York, they stand 4 copies of the
lower part of the St. Lawrence, containing Barnharst;

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Shecks, the 2 long Sault and the southern Cat Islands
on the scale of 5 inches to one mile. 4 copies of the controver-
ted part of Detroit River, with the respective dotted lines
&c&c on the scale of 5 inches to one mile. 4 copies of Lake
St. Clair and its channels, on the scale of 1 in. to one mile.
1 copy of the american survey of the channels of Lake
St. Clair, on the scale of 5 inches to one mile, which connects
with my survey by the bases E-F and G-H of verification
Am? map (on 12 sheets cut and bordered so as to be pasted
into one map) of the american survey of the major part
of Drummonds Island, and connected with the Bri-
tish survey by the East Strait and the West Strait
enlarged from Mr. Birds copy of 1 In to one mile to the
scale of 2 1/2 inches to one mile. These are all carefully
put up in a tin case to be placed in the care of Colonel
Hale: and my time has been so completely occupied
that I have not visited a single acquaintance beyond
an hours walk. From the uncommon season we
have had, the canoe has cost me much time, almost
every day I had to pass about 3 hours with the workmen
to show them how to build it; and the boat builder
could with difficulty be persuaded to quit his regular
way of building. When I left him on the 26th Inst he said
he should have it finished by the 10 May, which I very
much doubt; but from the snow and ice at Quebec
I think the Lakes Huron and Superior very late this
year. The wages of the men, as settled at New York
of 14$ pr month for the foreman and steersman; and
of 12$ pr month for each middleman I thought enough
as the North West company ceasing to exist would not
require men. The Hudson's Bay Company are sending up
a few canoes at the old prices a Guide at 1050 Livres for
the season ending the 20 Septr &c. so that I cannot get any
man expert on the rapids under at least 20$ pr month.
I have been with Mr. Thomas Thain, and the head of the

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Fur Companies, and they assure me that the men for the
bow and stern, expert on the Rapids in a single canoe,
cannot at present, be got under 20$ pr month: I shall
endeavour to act for the best and if I cannot get men
at a reasonable price, shall take steady common men
and pass into Lake Huron by York, and Lake Simcoe;
which route many of the North West Gentlemen assure
me it the best; and the reason they did not practise it,
was, the desertion of the men in those mild countries.
I may be obliged to give 20$ to one man as guide &c, but
will give it to no more.
I could have wished to have
been honored with your letter of the 30th March at my
house, where I have every thing I want to determine
with accuracy the questions sent. Anxious to give
the desired information, I inclose on fine tracing
paper, a figure of the island, and the places of the
stations; remarking that this part of the river De-
troit runs nearly from north to south, and the Isle
du Bois Blanc lies nearly so also. The easternmost
point, of the north end of Isle du Bois Blanc close to
station 41, from the British Shore is 375 yards, and from
the nearest part of the American shore 6050 yards.
and the easternmost point of the south end of
Isle du Bois Blanc close to station 40, is from the
British shore 300 yards, and from the American
Shore 5490 yards. The westernmost point
of Isle du Bois Blanc close to Station 44 is from
the British Shore 1010 yards, and from the American
shore 5292 yards. The area of Ten Island is 2,691
acres, or 2.7 Acres, or 2 acres, 2 rods, 30 poles and 16 1/2
square yards, or 20 acres and 3344 square yards. The
statute acre being 4040 square yards. These mea-
surements are according to the copies we have

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The maps sent will I hope, confirm the good opinion
you was pleased to have of my son, and recommend him
to anything that may be added to his salary. Rest
assured Sir; that altho we cannot command events;
we shall do every thing to execute the business we go
on, in the very manner you wish, with expedition
accuracy and oeconomy.
Your most Obedient
and humble servant
David Thompson
The Boundary Line is not marked on the maps sent
to Commissioner Barre.

Mr. Thompson-
Dated April 30 1822
Recd May 25 1822
Ansd July 17, 1822.

Montreal 1822

tracing attached to April 30 letter
showing Isle Aux bois Blanc with the surveying stations .

Admin/Biographical History This compiled collection includes papers from Thomas Barclay (1753-1830), his son, Anthony Barclay (1792-1877), John Ogilvy (d. 1819), Ward Chipman (1754-1824), Ward Chipman, [Jr.] (1787-1851), David Thompson (1770-1857), Alexander Wadsworth Longfellow (1814-1901) and others related to the determination of the boundary between Canada and the United States. Materials include government documents, correspondence, maps, surveys, diaries and Indian deeds related to the determination of the boundary between Canada and the United States, particularly of the years of the St. Croix Commission, 1796-1812, the Commissions appointed after the Treaty of Ghent, 1814-1838, and the Commissions under the Treaty of Washington, 1842. Papers of diplomats appointed by the British and American governments include the correspondence of explorers who surveyed the boundary zones and of several other diplomats, political officers and aids who became involved in the arbitration of the border. The explorations around the Island of St. Croix by Robert Pagan and Native American Francis Joseph Neptune, and a map by Chief Wasp of the Ojibway tribe in the vicinity of Ontario and Minnesota are noteworthy.