Clark: June 6, 1804

Wednesday the 6th of June 1804. Mended our mast this morning and Set out
at 7 oClock, under a Jentle Braise from the S, E by S N 28° W 31/2 miles
to a hill on St Sd. passg the N. beige of the Island Called Split rock
Island, the river rose last night a foot the Countrey about this Isd. is
delightfull large rush bottom of rushes below on the St. Side N 49° W,
11/2 Ms. to the mouth of Split rock River ____ yds. wide on the Starboard
Side opod. the pt. of a Isd. passed a place in the projecting rock Called
the hole thro the rock, a round Cave pass thro the Pt. of rock’s West 11/2
ms. to a pt. on Std. Sd. opposit a Clift of rocks abt 200 foot N 31° W. 4
ms 1/2 to a pt. on L. Side passed Saline Creek on the L. Side a large Salt
Lick & Spring 9 me. up the Creek, one bushel of water will make 7 lb.
of good Salt

(Information) Took Meridian altitude of sun Limb. 37° 6′ 0″ equat to ____
of Lattidude.

on this Creek, So great a no of Salt Springs are on it that the water is
brackish N 51° W to a Belge of an Isd on the S. Sd. at 3 ms. Passed a
Willow Isd. in Middle, Some wind in the after part of to day from the S E,
(the Banks are falling in greatly in this part of the river) as also is
one Side or the other in all the Course, we assended on the North Side of
the Isd. and finding that the perogues Could not Keep up Camped 2 hs. by
Sun. on the Sd Sd the land below this is good.

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June 6th Wednesday 1804 Mended our Mast this morning &, Set out at 7
oClock under a jentle breise from S. E. by S passed the large Island, and
a Creek Called Split rock Creek at 5 ms. on the S. S. psd. a place to the
rock from which 20 yds we. this Creek takes its name, a projecting rock
with a hole thro a point of the rock, at 8 ms. passed the mouth of a Creek
Called Saline or Salt R on the L. Sd. this River is about 30 yds. wide,
and has So many Licks & Salt Springs on its banks that the Water of
the Creek is Brackish, one Verry large Lick is 9 ms. up on the left Side
the water of the Spring in this Lick is Strong as one bushel of the water
is said to make 7 lb. of good Salt passed a large Isd. & Several Small
ones, the water excessivly Strong, So much So that we Camped Sooner than
the usial time to waite for the pirogue, The banks are falling in Verry
much to day river rose last night a foot.

Capt. Lewis took meridean altd. of Suns U. L. with the octant above Split
Rock C. &made the altitude 37° 6′ 00 error of octt. as useal 2° 0′ 0″
+ The Countrey for Several miles below is good, on the top of the high
land back is also tolerable land Some buffalow Sign to day

I am Still verry unwell with a Sore throat & head ake