THE MISSOURI AND PLATTE RIVERS, ETC. 39 
11 Ogalalas) given on the sketch. He says the number of prisoners 
taken is about seventy, of whom four are Ogalalas, of the family of 
__ Chan-ta-pe-tan-ya, being his. squaw and three children. The Brule 
chief, Little Thunder, was not killed. Campbell gained his informa- 
tion from the prisoners. None of them know the length of the Blue ; 
Water creek, but suppose it to be about fifteen miles, and to have its 
source in a lake of the Sand Hills. | 
I am, very respectfully, your obedient servant, 
G. Ko Was 
peo ones = 
ie EN, 
Lieutenant Topographical Engineers. 
Major O. F. Wuxsurp, 
o Assistant Adjutant General, 
- Headquarters Sioux Expedition. 
Nore.—The Indians were killed in places far apart, and in situations where the dead bo- 
dies cvuld not easily be seen, so that it was almost impossible to make a ct estimate of 
the slain from observation after the fight. I passed very close to one body several times 
without discovering it till the fourth day after, when my attention was only attracted to it by 
a group of ravens i 
Pe the paee as ee 
—___—— 
APPENDIX D. 
Meteorology. 
The notes on the weather while travelling, from June 15 to November 
16, 1855, are given by themselves. The thunder storms appeared to 
olence. 
g, south winds were ‘always followed by thunder 
showers from the west ; sometimes this south wind, falling during the 
night and beginning in the morning, lasted three and four days before 
a thunder storm came. I was told by one of the traders of the American 
Fur Company, that some twelve years ago there was a snow storm in 
the month of May, when the trees were in leaf, that caused a fall of 
tiree feet of snow at Chaine de Roche creek, near the Great Bend. It 
lasted a day and night, and was accompanied by appalling wig 5 a 
a 
great many buffalo perished, and the Indians lost numbers of their 
Snow storms, in the region of Fort Pierre, are very uncertain, and — 
come up very suddenly. Several persons nave perished from these not 
remainder of the season. oa 
‘The climate is evidently not well adapted to agricultural a 
and loss to the flocks and herds of a pastoral population. 
and the occasional severity of the winters would cause great suffering 4 
