(1) From the river on the top of the antient fortification at this the
12 foot high 75 feet Base first Corse is from the river is S 76° W 96
yards. S 84° W. 53 yds. at this angle a kind of ravilene covering a
Saleport, bearing East widing N 69 W 300 yds. passed a gate way at 280
yds. the bank lower & forming a right angle of 30 yards--two wings or
mounds running from a high nold to the West of the way one 30 yards
back of the other Covering the gate (at this place the mound is 15 feet
8 Inches higher than the plain forming a Glassee outwards & 105 feet
base N. 32 W. 56 yards N. 20 W. 73 yards this part of the work is about
12 feet high, leavel & about 16 feet wide on the top) at the experation
of this course a low irregular work in a Direction to the river, out
Side of which is several ovel mounds of about 16 feet high and at the
iner part of the Gouge a Deep whole across the Gauge N.
32 W 96 yds. to the Commencment of a wall of about 8 feet high N.81° W.
533 yards to a Deep pond 73 yds in Deamuter, and 200 yards further to a
Saleport, where there is evident marks of its being Covered, the Same
Course Contined 1030 yards to the river bottom.
One half of the first part of the Fortification is washed into the
river, a Second line, has run from the Northrn extremity parrelel with
the river (as it appears to have run at that time) N. 56 W. this of
different hith from 4 to to 10 feet--The high land is about 3 me. from
this fortress, and rise to Small mountains Say from 3 to 400 feet the
high land on the opposit or North Side of the Missourie is 110 feet
forming a yellow Clay bluff to the water and is leavel back as fur as
can be Seen. I am informed by the inteperter & french, that they have
Seen, numbers of those fortifications in different parts of this Cty.
pirtcularly on the Platt Kansies and the North of this place on the
river Jacque.
two Small fortifications is on the Arc Creek on the upper side 1st 1/4
of a mile up & the 2d 1/4 higher, nearly Square each angle 100 yards
[Clark, September 2, 1804]
2nd September Sunday 1804
Set out early and proceeded on Passed the Island and Landed on the S. S
above under a yellow Clay bluff of 110 feet high, the wind blew verry
hard a head from the N. W. with Some rain and verry Cold, G. Drewnyer
R. Fields Newman & howard Killed four fine Elk we had the meat all
jurked and the Skins Dried to Cover the Perogue, on the Side of the
Bluff I observed Bear Grass & Rhue, at Sun Set the wind luled and
Cleared up Cold, the high land on the L. S. is verry high, & uneaven,
that on the S. S from 80 to 120 foot & is leavel back but fiew Small
Streems falling into the river.
I went out and made a Survey of the antient works which is Situated in
a level plain about 3 miles from the hills which are high.