Clark: July 17, 1804

July 17th Tuesday, we concluded to lay by today to fix the Longitude, and
get the Cronometer right, (She run down Day before yesterday), Several men
out hunting to day Capt. Lewis rode out to Neesh-nahba-to na Creek which
passes thro. the Prarie (on which there is Some few trees) within ____
Mile of the Missoureis, wind from the S E. Several of the party have
tumers of different Kinds Some of which is verry troublesom and dificuilty
to cure. I took a meridian altitude (43° 27′) which made the Lattitude of
this place 40° 27′ 6″ 4/10 North.(The Ball Hills bear N 25° W for
30 mes. The bend on L. S. passing the Isd. on the right Side is N. 28° W.
4 ms.) Took equal altitudes Tried a part of the comn pt. of the Current in
40 Seconds the water run 50 fathem 30″ & 20″ in places

Cap Lewers returned, Saw Some hand Som Countrey, the Creek near the high
land is rapid and nearly as muddy as the river, & rising Gutrich
caught two verry fat Cat fish G Drewyer Killed 3 Deer, & R Fields one,
a puff of wind brought Swarms of Misquitors, which disapeared in two
hours, blown off by a Continuation of the Same brees.

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Bald Pated Prarie July 17th, Tuesday 1804 We Concluded lay by at this
place to day to fix the Lattitude & Longitude of this place to Correct
the cromometer run down Sunday) Several men out by day light hunting Capt.
Lewis Concid. to ride out to Neesh-nah-ba-to-na Creek which passes under
the ball hills near this place and at one place a little above this Camp
is within 300 yards of the Missouris on this Creek grows Some few trees of
oake walnut & mulberry. I took Meridian altitude of sun L. L. (43°
27′) which made the Lattitude 40° 27′ 5″ 4/10 Northwind from the
South E. Several of the party much aflicted with turners of different
Kinds, Som of which is verry troublesom and dificuelt to cure. Capt. Louis
returned in the evening. he Saw Som hand Some Countrey & Says that the
aforesaid Creek is rapid muddey and runningThis Creek which is at
10 or 12 from its mouth, within 300 yds of the river is at least 16 foot
Lower than the riverThe high Lands from our Camp in this Bald Pated
Prarie bears N 25° W. up the R.

The Common Current taken with a Log runs 50 fathen in 40″Some places much
Swifter in 30″ and even 20 Seconds of timefive Deer killed to day