Identifier: advancedgeography (find matches)
Title: Advanced Geography
Year: 1899 (1890s)
Authors: Alexis Everett Frye
Subjects:
Publisher: Ginn & Company
Contributing Library: Allen County Public Library Genealogy Center
Digitizing Sponsor: Internet Archive

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MOUNTAINS. rious ranges lying alongthis plateau are known 22. The Rocky Mountains.1 The widest part of the Rocky mountain highland isabout midway between the isthmus of Panama and Beringstrait. In this broad portion, lofty ranges almost inclose a vastplateau, about a mile above sea level and several hundredmiles wide. The va-the eastern side ofas the Rocky moun-tains. This chainextends far north-ward into thebasin of theYukon river,and southwardto the RioGrande,at the is spread over the lower land. The plains along the eastern base ofthe Eoeky mountains are made of the waste which in past ages hasbeen washed from the great range. Many of the B,ocky mountainpeaks are over two miles and a half high. Where are the Laramie plains ? See map on zjarJ£ 32. Theseplains are in a high plateau region that interrupts the Rockymountain chain. The route of the first railroad built across ourcountry leads over the Laramie plains. South of the Laramie plains the Rocky mountains con-sist of parallel
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Mammoth Hot Springs. place where that river forms theboundary between our country andMexico. In the Kocky mountains, as in all high mountains, bare cragsstand out near the summits, and coarse stony waste creeps downthe slopes into the valleys. The finer waste is washed farther and/ 1 The surface of the United States, occupying a broad belt across +he middle part of North America, is treated much more at length than anyother part of the earth, not only because we ought to know the geographyof our own country, but also because the full knowledge of the surf; ce andresources of our land affords the best key to its history. YeUowstone Falls. Eagle Crag, UtaH. ranges, running mostlynorth and south. Amongthese lie many high plains known as parks. The parks are lofty basins shut in by ranges on nearly all sides. Among these are the North, the Middle, the South, and the SanLuis parks. Each of these contains several hundred square milesof land that is quite level and is covered with rock-layer

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