CONTENTS. 
7 
CHAPTER VII. 
General summary and railroad 'practicability of the line explored on the forty-first parallel of north 
latitude. 
Page. 
Railroad connexion east from Port Bridger.—Valley of Green river.—Grazing cattle in winter in the mountains.— 
Mormon settlement on Smith’s Fort.—Bear River,'Wahsatch, and Uinta mountains.—Highest point of the line 
reached.—Appearance of the country thence west.—Depth of snow.—Timber, soil, and grass.—Length of line from 
Smith’s Fork to Oquirrh mountain.—Canones of the Weber and Timpanogos rivers.—Railroad in the Jordan, Tuilla, and 
Lone Rock valleys.—Mormons desirous to aid in the construction of the road; their numbers.—Cedar mountain.— 
The Desert.—Passages to the south of Pilot Peak, and thence to the Humboldt mountains.—Humboldt Mountain 
Pass; its altitude.—Timber and its abundance.—Valley of the Humboldt river.—Country south of this valley; its. 
profile.—From Humboldt river to the foot of the Sierra Nevada.—Fertility of this section.—The ascent of Madelin 
Pass; its altitude; broad plain at its summit.—Highest point of the pass; its western descent; timber, and soil.— 
Round valley.—Sacramento river.—First canon of the Sacramento.—Second canon of the Sacramento.—The Sacra¬ 
mento below the mouth of Fall river.—Noble’s Pass of the Sierra Nevada.—Mud lakes to Honey lake.—Honey 
Lake valley.^-Ascent of the mountains.—Susan river.—Pine creek.—Black Butte creek.—Black Butte.—Hat and 
Wolf creeks.—Greatest altitude in this pass.—Descent from the western summit of the Sierra.—Depth of snow in 
winter in this pass.—Dr. Wozencrafc’s observations.—Entire length of the pass.—Head of steamboat navigation of 
the Sacramento.—Future surveys.—Method of determining levels.—Building-stone upon the route.—Water.—Culti¬ 
vable land.—Directness of this line: its length.59 
CHAPTER VIII. 
I. Table of distances and of approximate average grades per mile upon the line explored for a railroad 
from Smith's ForJc, near Fort Bridger, in the valley of Green river, Utah Territory, via the Madelin 
Pass, to Fort Reading, in the valley of the Sacramento river, California —1854 - 7 
II. Table of distances, and of approximate average grades per mile, upon the line explored for a rail¬ 
road from Mud lake, via Noble's Pass, to Fort Reading, July 4 to 26, 1854 - 69 
III. Table of latitudes on the line of the forty-first parallel of north latitude, explored for the Pacific rail¬ 
way, 1854 .. 70 
CHAPTER IX. 
I. Introduction to meteorological table, and table of altitudes and distances, on the line of the 
forty-first parallel of north latitude explored for the Pacific railroad .71 
II. Meteorological table at Great Salt Lake City during the winter o/1853-54 .... 77 
II. Summary of meteorological observations at Great Salt Lake City in 1853 and 1854, in mean 
results at each observed hour for the several months ; barometric reading corrected for temperature 83 
V. Barometric means for the months observed at Great Salt Lake City in 1853-54, from all the obser¬ 
vations, including those at irregular hours, and corrected in detail for horary variation of pressure 83 
V. Meteorological observations, and table of altitudes and distances, from Great Salt Lake City to 
Green river, April, 1854 - -- -- -.. 34 
VI. Data for profile from Smith's Fork, Green River valley, to that of Great Salt lake, via the 
Timpanogos river - -- --.- gg 
VII. Data for profile from Great Salt Lake valley, via the Weber river, to White Clay creek ; the pre¬ 
ceding profile being in common with this from the latter point eastward ----- gg 
vm. Meteorological observations, and table of altitudes and distances, from Great Salt lake, Utah 
Territory, to the valley of the Sacramento river, California, 1854 .g 7 
IX. Meteorological observations and table of altitudes, from Mud lake, via Mud creek, to the summit 
of the Sierra Nevada, and to Madelin Pass ; table not used in profile - 90 
VIII. Continuation of Table VIII . 91 
X. Meteorological observations and table of altitudes, in crossing from Madelin to Noble's Pass, on 
the summit of the Sierra Nevada; table not used in profile ------- 92 
VIII. Table VIII again resumed - --. 93 
XI. Meteorological observations and table of altitudes and distances for profile, from Mud lake to 
Fort Reading, on the Sacramento river, California, via Noble's Pass ----- 93 
XII. Meteorological observations and table of altitudes, on the road leading through Noble's Pass - 95 
XIII. Meteorological observations and table of altitudes, in crossing from the mouth of Canoe creek 
(Poinsett river) to Black Butte creek, and thence west to Hat and Wolf creeks ; table not used in 
profile . . 
