File:Preliminary report of the United States Geological Survey of Wyoming, and portions of contiguous territories - (being a second annual report of progress), under the authority of the Secretary of the (14779487004).jpg

Identifier: preliminaryrepor1871geol (find matches)
Title: Preliminary report of the United States Geological Survey of Wyoming, and portions of contiguous territories : (being a second annual report of progress), under the authority of the Secretary of the Interior
Year: 1871 (1870s)
Authors: Geological and Geographical Survey of the Territories (U.S.) Hayden, F. V. (Ferdinand Vandeveer), 1829-1887 Thomas, Cyrus, 1825-1910
Subjects: Geology Geology
Publisher: Washington : Govt. Print Off.
Contributing Library: Harold B. Lee Library
Digitizing Sponsor: Brigham Young University

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end the high hills that border the valley and cast his eyesin every direction, he would see nothing but a gently rolling prairie,without a tree or shrub as far as they could reach. No cozy farm-houses,with all the signs of cultivated fields, greet the eye; no groves of timberdot the landscape. For more than two hundred miles along the valleyof the Platte it would be difQcult to find wood enough to kindle a fire.Fuel for the supply of Fort Sedgwick and the city of Julesburg, duringthe winter of 1805-G, when it was in its glory, was hauled from the moun-tains near Denver, Colorado, a distance of more than two hundred miles,at a cost from one to two hundred dollars per cord. 110 GEOLOGICAL SURVEY OF THE TERHlTOEIES. The surface of the country is sometimes weathered by atmosphericagencies into peculiar ftmtastic shapes. The rock formations are en-tirely composed of the whitish and yellowish-white clays, marls, andsandstones of the more recent beds of the great tertiary lake basin. Fig. 6.
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Fort Mitchell—Scotts Bluff. The most striking examples are in the vicinity of Scotts Bluff andChimney Eock, which have been noted landmarks for years. Thesurface is here washed out into the form of domes, towers, churches, andfortifications, and it is hardly possible to persuade oneself that thehand of art has not been busy here. Chimney Rock shoots up itstall, white spire from one hundred to one hundred and fifty feet. Thestrata are perfectly horizontal, and, therefore, we may infer that thesurface of the whole country was originally on a level with the summitat least, and that these landmarks are monuments left after erosion.These picturesque views south of White Eiver are not extensive, althoughon both sides the north and south forks of the Platte they occur in cer-tain localities. A few fossil turtles and the bones of some huge animal,probably the elephant or mastodon, have been washed from the bluffs.At Antelope Station, near Pine Bluffs, about four hundred and seventymiles wes

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