20 cu EXPLORATION OF THE COUNTRY BETWEEN 
of Loup Fork of the Platte, and of the country between White river 
and 1’Kau qui Court, for the purpose of seeking good communication 
between Fort Laramie and the Missouri river. Routes from Fort 
Laramie to the Yellowstone, and of the country around and between 
Accompanying this report is a map of a portion of the Dacota 
country, on a scale of 1 to 600,000. It embraces all the explorations — 
within the limits compassed by it, including those of Major Long, J. 
} 
the observations and results are appended to this report. A baro- 
fi 
also | 
location of the different bands of Indians, and such other information _ 
as I was enabled to obtain from the hunters and trappers. ough it 
is not reliable where surveys have not been made, stillitisthe bestthat 
our pr ge will i oe 
ewitt, — 
alpin, Henry Goulet, Alexander 
tatements I have endeavored to 
_ com 
To Mr. J. Hudson Snowden, who assisted me in the meteorological 
observations, and in working out the results, nearly all the merit is 
due which they may possess. These observations and results, with 
notes on the weather on all - routes travelled, are annexed to this 
report, under the head of meteorology. . 
A. number of skins of birds were collected, among which were the 
