CONTENTS. Y 
CHAPTER XYI. 
Page. 
Governmental aid in connexion with the construction of the road.—Indians on the route. 146 
CHAPTER XVII. 
Establishment of military posts.—Extinguishment of Indian titles.—Encouragement to be given to settlements.— 
Wagon-roads.-.. 151 
CHAPTER XVIII. 
Papers annexed to the report.—Maps accompanying the report.—Field remaining to ho explored.—Concluding obser¬ 
vations. 155 
PAPERS ACCOMPANYING GOVERNOR STEVENS’S REPORT. 
A 1.—Report of the topography of the route from the Mississippi river to the Columbia, by Mr. John Lambert, 
topographer of the exploration. Washington, D. C., June 1, 1854 .— 160 
A 3.—Medical report for eastern division, by Dr. George Suchley, assistant surgeon United States army. Steilacoom, 
Puget Sound, W. T., January 4, 1854.-.-.— 177 
Medical report of Dr. J. G. Cooper, surgeon of the exploration. Fort Vancouver, December 26, 1853. 179 
B 4.—Railroad practicability of the Cascades and of the line of the Snoqualme Pass, by Captain George B. McClellan, 
corps of engineers, U. S. A., in command of the western division. Olympia, W. T., February 8, 1854. 180 
B 5.—Railroad practicability of the Snoqualme Pass, and the obstructions to be apprehended from snow, by Mr. A. 
W. Tiukham. Washington, D. C., June 19, 1854. 184 
B 6.—Report on the railroad practicability of the pass of the Columbia river, by Mr. F. W. Lander, civil engineer. 
Olympia, W. T., January 5, 1854.-. 186 
C 7.—General report of Captain G. B. McClellan, corps of engineers, U. S. A., in command of the western division. 
Olympia, W. T., February 25, 1853 . 188 
Letter of instructions from Governor I. I. Stevens to Captain G. B. Mc’Clellan, corps of engineers, U. S. A. 
Washington, D. C., May 9, 1855 .....-. 203 
C 8.—Topographical report of Lieutenant J. Iv. Duncan, U. S. A., topographer of the western division. Olympia, 
W. T., February 21, 1854 . 203 
C 9.—Natural history report of Dr. J. G. Cooper, naturalist of the western division.... 219 
D 10.—Report of the Dead Colt Hillock line, by Lieutenant C. Grover, U. S. A. Fort Union, August 7,1853. 222 
D 11.—Report of Mr. F. W. Lander, assistant engineer, of the crossings of the Mississippi. St. Paul, May 22, 1853.. 224 
D 12.—Report of Mr. A. W. Tinkham, assistant engineer, of his reconnaissance of the Three Buttes, and of his recon¬ 
naissance on the route...-... 226 
E 14.—Report of Lieutenant A. J. Donelson, corps of engineers, U. S. A., of his survey of the Missouri to Fort Union, 
and of his reconnaissance of the country in the vicinity of Fort Union, between the White Earth and the Big 
Muddy river. Olympia, W. T., March 8, 1854.... 231 
E 15.—Report of Lieutenant C.Grover, U. S. A., of his survey of the Upper Missouri, from the Great falls, to connect 
with the survey of Lieutenant Donelson....... 247 
E 16.—Report of Lieutenant R. Saxton, U. S. A., of his trip in a keel-boat from Fort Benton to Fort Leavenworth, 
and of the navigability of the Missouri river by steamers. Washington, D. C., June 8, 1854 . 249 
F 17.—Report of the route of Lieutenant R. Saxton, U. S. A., from the Columbia valley to Fort Owen, and thence to 
Fort Benton. Washington, D. C., February, 1854..... 251 
F 18.—Report of Lieutenant Donelson as to the railroad practicability of the route from Fort Benton, by Lewis and 
Clark’s and Cadotte’s Passes, Blackfoot trail, the Bitter Root and Jocko lines, to Clark’s fork, and thence 
across the Great Plain of the Columbia to Wallah-Wallah. Olympia, W. T., February 23, 1854. 269 
Report of A. W. Tinkham, giving the result of examinations as to a cut-off from the Blackfoot trail to Clark’s 
fork. 273 
Extracts from Mr. F. W. Lander’s report of February 15, 1854, to Governor Stevens, giving results of personal 
examinations in connexion with the railroad survey of Lieutenant Donelson from Fort Benton to Wallah- 
Wallah . 275 
F 19.—Report of Mr. A. W. Tinkham, assistant engineer, as to the railroad practicability of the line of the Marias Pass 
of the northern Little Blackfoot trail, and of the southern Nez Perces trail. Washington, D. C., July 19, 
1854. 276 
F 21.—Report of Lieutenant R. Arnold, U. S. A., of his route from the mouth of Clark’s fork, by Fort Colville, the 
Grand Coulee, and the mouth of Snake river, to Wallah-Wallah. Olympia, W. T., February 5,1854_ 282 
F 22.—Report of Lieutenant R. Macfeely, U. S. A., of his return from Fort Owen to Wallah-Wallah. Fort Vancouver, 
W. T., January 20, 1854 . 286 
G 23.—Report of Doctor George Suckley, assistant surgeon United States army, of his trip in a canoe from Fort Owen 
down the Bitter Root, Clark’s fork, and Columbia rivers, to Vancouver. 291 
