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USGS map colored by paleogeological areas and demarcating the sections of the U.S. physiographic regions: Laurentian Upland (area 1), Atlantic Plain (2-3), Appalachian Highlands (4-10), Interior Plains (11-13), Interior Highlands (14-15), Rocky Mountain System (16-19), Intermontane Plateaus (20-22), & Pacific Mountain System (23-25) The legend ...
U.S. Census Bureau regions and divisions. Since 1950, the United States Census Bureau defines four statistical regions, with nine divisions. [1] [2] The Census Bureau region definition is "widely used... for data collection and analysis", [3] and is the most commonly used classification system.
The two coastal plains meet at Kanyakumari, the southernmost tip of the Indian mainland. The eastern coastal plain is located between The Bay of Bengal and the eastern Ghats and the western coastal plain is located between the Arabian Sea and the western Ghats. [1] In Australia, there exists the South East Coastal Plain in Victoria that ...
To the north, the Atlantic Coastal Plain also broaches into the mesic hardwood forests of the Middle Atlantic coastal forests, followed by the northern Atlantic coastal pine barrens. [17] [18] [19] The southernmost Atlantic Plain contains the only Neotropical ecoregion of the continental USA, being the Everglades and Florida mangroves. [20]
The generally low relief of the plains is broken in several places, most notably in the Ozark and Ouachita Mountains, which form the U.S. Interior Highlands, the only major mountainous region between the Rocky Mountains and the Appalachian Mountains. [14] [15] The Great Plains come to an abrupt end at the Rocky Mountains.
The Gulf of Mexico and Coastal Plain. The Gulf Coastal Plain extends around the Gulf of Mexico in the Southern United States and eastern Mexico.. This coastal plain reaches from the Florida Panhandle, southwest Georgia, the southern two-thirds of Alabama, over most of Mississippi, western Tennessee and Kentucky, extreme southern Illinois, the Missouri Bootheel, eastern and southern Arkansas ...
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A physiographic province is a geographic region with a characteristic geomorphology, and often specific subsurface rock type or structural elements.The continents are subdivided into various physiographic provinces, each having a specific character, relief, and environment which contributes to its distinctiveness.