INDEX 
TO 
REPORT OF THE SECRETARY OF WAR AND OFFICE REPORTS. 
Contents of volume I -.---- 2-2. 6c oc cen ne conn on iw as on oe nnn wenn nw ne oon enn ns 
Resolution authorizing printing of reports .--..----------------- ------+ ------ ---- +--+ - -- 2-02 eos ee eee 
Acts of Congress of March 3, 1853, May 31, 1854, and August 5, 1854, authorizing the surveys and explorations. --.. 
Note in reference to Governor Stevens’s estimate of cost of road 
REPORT OF THE SECRETARY OF WAR. 
Provisions under which the explorations and surveys were made-.....--..--------- --+- +--+ +--+ ------ -+-------- 
General map .----- .----- 2-22 cee n ne ene ee een enn nee nnn nnn cee eee eee cee eee cone eee eens eens 
General sketch of the country between the Mississippi river and the Pacific ocean..-..----.--------------------- 
General description of the mountain systems, soil, water, &c., between the Mississippi river and the Pacific ocean -- 
Remarks upon the several routes -.-. ---- -- ++ «2-0 2-22 1 - ene eee ene nae cee ce nnn wee nen ns eens eee ene 
Examination of route near the 47th and 49th parallels of north latitude, explored by Governor I. I. Stevens and Captain 
G. B. McClellan, Corps of Engineers .....----- ..---- ------ ---- ---- ---- = 222 eee ee ene ween enn eee eee 
Examination of route near the 41st and 42d parallels of north latitude, explored by Captain J. C. Frémont, Captain 
H. Stansbury, Corps of Topographical Engineers, and Lieutenant E. G. Beckwith, 3d regiment of artillery-.----- 
Examination of route near the 38th and 39th parallels of north latitude, explored by Captain J. W. Gunnison, Corps 
of Topographical Engineers; report by Lieutenant E. G. Beckwith, 3d regiment artillery.----.---.------------ 
Examination of route near the 35th parallel of north latitude, explored by Lieutenant A. W. Whipple, Corps of To- 
pographical Engineers. --- 20.2. o-oo ww eas wen wenn nn wean enw nw wn ane ewe one nne 
Examination of route near the 32d parallel of north latitude, explored by Captain John Pope, Lieutenant John G. 
Parke, and Major William H. Emory, Corps of Topographical Engineers-.....----..------------------------- 
Examination of extension of route of 32d parallel from the mouth of the Gila to San Francisco, explored by Lieute- 
nant R. §. Williamson, Corps of Topographical Engineers 
Remarks in regard to estimates of cost and equated lengths; comparison of results; “the most practicable and 
economical route,” its characteristics and advantages ,..--. .---.----- .----- ------ eee eee oe = oe ee ee 
Table showing lengths, sums of ascents and descents, equated lengths, cost, &c., of the several routes-.-.---------- 
Table of distances of the eastern termini of the routes to the Mississippi river and the principal Atlantic and Gulf ports- 
List of documents accompanying Secretary’s report... ---. 2c one. cee ene een e ween cane www ene enone === enn 
EXAMINATION OF THE ROUTES BY CAPTAIN A. A. HUMPHREYS AND LIEUTENANT G. K. WARREN, CORPS 
GRAPHICAL ENGINEERS. : 
CHAPTER I. 
Route near the 47th and 49th parallels of north latitude. 
Considerations determining the general direction of the route ----- Bese COs Cond SSGOU DOSEESOn Emenee cacao eae 
Examination of route in detail from St. Paul, Mississippi river, to the Missouri river, near Fort Union, (comprising 
topographical description, grades, character of work, supplies of building material, fuel, water, &c. ) 
Examination of route in detail from near Fort Union to the eastern base of the Rocky mountains. .-..-------.---- 
Water from the Red river of the north to Maria’s river 
Examination of route in detail from the eastern base of the Rocky mountains to the crossing of the Spokane river-- 
Description of the passes of the Rocky mountains, and continuation of route through them...--.-.--------------- 
Description of the passes of the Bitter Root mountains, and continuation of route through them -.-..------------- 
Examination of route in detail from the crossing of the Spokane river to the crossing of the Columbia river.-.----- 
Exaniination of route in detail from the crossing of the Columbia river to Puget Sound, by the Yakima Pass. ..---. 
230-49 
OF 
Page. 
ill 
iv 
TOPO- 
39 
39, 40 
41 
AL 
41-45 
41-43 
43-45 
45, 46 
46 
