Ad es EXPLORATION OF THE COUNTRY BETWEEN 
Observations from Fort Laramie to Fort Pierre. 
_ September 29.—Fair day ; little rain after dark, with high north 
wind, 7. 
September 30, 6 a. m.—Thermometer 44; no dew, wind northwest, i 
October 1 ana ooctel, 4355 ; day clouded. 
October 2.—Thermometer at sunrise 32°. 
October 3.—The bag was quite warm, 4 inches snow fell i in the night 
at the head of White river. 
October 4.—Thermometer at sunrise, 29° ; snow melted during the 
day, the ground being quite warm. ' 
« October 5.—Thermometer at sunrise, 23°; wind northwest 5, during 
the day. 
October 6. Rid thermometer 29°; day fine. 
October 7, 8, and 9.—Weather fine 
October 10. ~neaaibtiadtee at sunrise, 54°, 
October 11.—Thermometer at sunrise, 28°. 
October 12, 13, and 14.—Fine cool weather 
| —Thermometer at sunrise, "36° : coal all day. 
October 16.—Fair. 
October 17.—Very w 
October 18.—-High orth wind all day. 
October 19.—Very fine day. 
October 20.—At Fort Pierre ; commenced raining at daybreak ; 
changed to driving sleet and snow, with strong northeast wind ; men 
and animals suffered seve erely. _ 
- October 21.—Storm of sleet continued, with occasional pauses; the ; : 
wind changed to nearly every point of the compass ; everything covered 
with ice. 
October 22.—Weather somewhat clear ; thermometer about 23°. 
October 24.—Clear, wind south, 6 
October 25.—Clear and cold, wind northwest, 6. 
October 26,— Wind northwest, 4 
* ool 
Observations from Fort Pierre to Sioux City. - 
{ 
October 27.—Thermometer at sunrise ot day clear; wind north, 4 
October 28.—Thermometer at sunrise 
October 29. pr pemnaes at sunrise ‘31°: ; wind south, very “ey 
' a short time in the mo 
October unrise, io etincnickad 26°. 
October 31. —Sunrise, erg ce it 26°, 
November 1 and 2.—Fair days. 
November 3.—Thermometer at — 19°; day fine 
__ November 4, Thermometer “at sunrise 39° ; misty ; clouds covered — 
ithe sky and betokened a storm; sianns in the Giertiogn and night, _ 
