638 
INDEX. 
Page. 
Bitter Root valley — 
valley and climate, &c.-. 103-104,504 
mountains... 169,529 
snow. 397,633-635 
Indians. 104,440-441 
tillage. 104 
Blackbird's hill . 238-239,267 
Blackfcet Indians, depredations.... 259 
trick. 303 
Mullan’s, Doty’s, and Stanley’s reports on. 437-449 
Blackfoot river or fork, description of.121, 317,501-504 
topography of. 171,262,271 
Black hills . 241 
Blodgct, Lorin, meteorological instructions. 5-7 
general notes on the climate. 566-571 
Blood Indians, (Blackfeet). 443-444 
Bois dcs Sioux, river and plateau...83,91,153,222,487 
Bonneville creek . 340 
Botany . 219-221 
Bricks . 92,95 
Burnt hills ............... 239, 242 
Burr, F. II., meteorological observations, Cantonment Stevens..-. 585-598 
Butte dcs Os . 223 
Butte Canie . 302 
Butter creek . . 253 
C. 
Cabinet mountain .... 122, 271,300 
Cadotte's Pass ...—..-.-.....—_26—30, 98,100,276 
Donelson’s instructions. 35-38 
party.-... 50-51 
Saxton’s'account. 262 
Camash prairie ......— .... —........517, 533, 553, 562 
Camp Cushing, report from. 20-21 
Camp Davis, report from. 18 
Camp McClelland, report from.-■. 19-20 
Camp Washington, reports from. 67-69 
Camp regulations . 51-52 
Cantonment Coring . 335 
Cantonment Stevens, meteorological observations. 585-598 
Cape Disappointment ..........-.. 465 
Cascade mountains, exploration ordered. 74 
hitherto incorrectly drawn. Ill 
description of..-.111-112,176-177 
passes. Ill 
reason of name...-. 176 
McClellan’s instructions. 203 
McClellan’s report of survey. 181-183 
McClellan’s full report. 188-202 
character of country, soil, &c.-. 201 
map of rivers. 201 
Duncan’s report on their topography.*. 203-219 
snow in.. 400 
Tinkham on snows, &c.-. 629-631 
climate. 570 
Mowry’s report on meteorology of. 389-395 
Gibbs’s report on northern part of. 469-472 
Gibbs’s report on their geology. 475-476 
Stevens’s instructions for Tinkham’s exploration. 617-619 
Cascades of Columbia river. 218 
Cathlapoot’l river ...... 189, 205 
geology of. 474 
valley. 25 
