File:The American educator; completely remodelled and rewritten from original text of the New practical reference library, with new plans and additional material (1919) (14598419418).jpg

Identifier: americaneducator05fost (find matches)
Title: The American educator; completely remodelled and rewritten from original text of the New practical reference library, with new plans and additional material
Year: 1919 (1910s)
Authors: Foster, Ellsworth D., ed Hughes, James L. (James Laughlin), 1846-1935
Subjects: Encyclopedias and dictionaries
Publisher: Chicago, Ralph Durham Co.
Contributing Library: Internet Archive
Digitizing Sponsor: Internet Archive

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e Bermudas, the Bahamas andthe West Indies, on the east, and the QueenCharlotte and Aleutian Islands, on the west.Besides these, there are very many islands inthe Arctic Ocean. They are, however, frozenwastes and of little importance. Surface and Drainage. North America isdivided into three great physiographic re-gions. These are the Appalachian highlandon the east, the Rocky Mountain highland onthe west, and the great central plain occupy-ing the vast interior of the continent and ex-tending from the Arctic Ocean to the Gulf ofMexico. The Appalachian highland con-sists of a low plateau containing severalranges of mountains, which under differentnames extend from the Gulf of Saint Law-rence in a southwesterly direction to withinabout 300 milss of the Gulf of Mexico. Theelevations in these mountains do not exceed6,700 feet, the height of Mount Mitchell, nearthe southern extremity of the range. MountWashington, in the White Mountains, is near-ly as high. The eastern slope of these high-
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RELIEF MAP OF NORTH AMERICA 2583 NORTH AMERICA 2584 NORTH AMERICA lands is somewhat abrupt and terminates inthe Atlantic plain, which varies in widthfrom 50 miles, in the north, to about 300miles, in the south. The portion of this plainbordering on the ocean is low, but it is bor-dered inland by the Piedmont region, which ishigher and consists of rolling land terminat-ing in the foothills of the mountains. Thewestern slope of the Appalachians is roll-ing and gradual and terminates in the prairieregion of the great central plain. The Rocky Mountain region extends fromAlaska to the Istlmius of Panama, from whichpoint it continues as the Andean system inSouth America. The name Cordilleras isfrequently given to this entire mountain sys-tem, extending through both of the Ameri-can continents. The Rocky Mountain high-land region consists of a plateau, varyingfrom 3000 to 10,000 feet in altitude andfrom a width of a few miles, near its south-em extremity, to a breadth of over 1000miles, in U

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