CONTENTS. V 



CHAPTEE XVI. 



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 be 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 ], 1854 160 



A 3. Medical report for eastern division, by Dr. George Suckley, 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. Tinkham. 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. K. Duncan, U. S. A., topographer of the western division. Olympia, 



W. T., February 21, 1854 203 



i C 9. Natural history report of Dr. J. G. Cooper, naturalist of the western division 2J9 



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, J853-. 224 



D J2. 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 Donelsou .- 247 



E 16. Report of Lieutenant R. Saxtou, U. S. A., of his trip in a keel-boat from Fort Benton to Fort Leaven worth, 



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 Douelson 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 



