lv CONTENTS. 
Letter of Governor I. I. Stevens to Dr. George Suckley. Camp Washington, October 29, 1853..---..---.--------- : 
Letter of Governor I. I. Stevens to Lieutenant John Mullan. Camp Washington, October 29, 1853.....-.---.------ 
Letter of Governor I. I. Stevens to Mr. A. W. Tinkham. Camp Washington, October 29, 1853..-.-.---.----------- 
Letter of Governor I. I. Stevens to the Secretary of War, stating progress of the exploration. Olympia, W. T., De- 
cember 19, 1853.22. 02-22 eens cee ne wwe cee ene cece cen conn wee mene cone cee cane ewan wane oenw nee one = 
Letter of the Secretary of War to Governor I. I. Stevens. Washington, December 1, 1853........---.«----------- 
PIAG Earle. 
CHAPTER I. 
Instructions of Secretary of War, dated Washington, April 8, 1853..----..---..----- ---- -----+ 2-2 --+ ----- sangsoo 
CHAPTER II. 
Field explored by different parties...---.-------- ---+ +--+ ---- 2-02 22-2 22 +--+ eee ol en we 
CHAPTER III. 
General description of region examined and results accomplished.—Genefal salubrity of the region...--- see eSee 
CHAPTER IY. 
Railroad practicability of the section to the base of the mountain.—Geographical importance of the Bois des Sioux.— 
Navigability of the’ Missouri << << o. 5 coos coe. ooo coon cone enn e cece e ence ne wens cnn mes ao nnen saenes onaassn=se 
CHAPTER V. 
Details of excavations and embankments.—Supplies of wood, water, stone, and other materials -.---..------------ 3 
CHAPTER VI. 
Railroad practicability of the Rocky and Ceur d’Alene mountains.—Description of the ranges and of the several passes. 
CHAPTER VII. 
General geographical description of the Rocky mountains...-... -.-.---- -----+ - e200 enone eee nnn eee e eee Cae ancesa 
CHAPTER VIII. 
General characteristics of the Great Plain of the Columbia, and navigability of the Columbia river. --.----..--------- 
CHAPTER IX. 
Description of the Cascade mountains and the pass of the Columbia river -....--..----- ---- ---- ee ---- ee -- eee eee 
CHAPTER X. 
Resources and geographical importance of Puget sound, and its relation to the trade of Asia.----.-----.--------- 5 
CHAPTER XI. 
Railroad practicability of the Snoqualme Pass..-..---- Se a on SS IO I 1) 9 ES A) 
CHAPTER XII. 
Résumé of the line from the base of the Rocky mountains to Puget sound ...---..---.---. ---- ---- +++ +00 --------- 5 
CHAPTER XIII. 
Comparison of the distances on several routes... +... +--+ «2-2-2 e eee e pee ee wee cee ne een ewe e penne nen nee 3 
CHAPTER XIV. 
Meteorology of the field explored... . 222. 2-2. snes ceee meee cone cece conn nennecewene Ree onlin wba tccas/cacmmeee 
CHAPTER XY. 
Plan of construction and details of the roads.—Use of wagon-road in connexion with railroad.—Estimate of cost...-.. 
73 
76 
81 
83 
89 
96 
102 
107 
Wt 
113 
117 
121 
126 
128 
141 
