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Appalachia ( / ˌæpəˈlætʃə, - leɪtʃə, - leɪʃə /) [4] is a geographic region located in the central and southern sections of the Appalachian Mountains of the eastern United States. It stretches from the western Catskill Mountains of New York state into Pennsylvania, continuing on through the Blue Ridge Mountains and Great Smoky ...
The Appalachian Mountains, [b] often called the Appalachians, are a mountain range in eastern to northeastern North America. The term "Appalachian" refers to several different regions associated with the mountain range, and its surrounding terrain. The general definition used is one followed by the United States Geological Survey and the ...
The Appalachian Mountains formed through a series of mountain-building events over the last 1.2 billion years: [4] [5] The Grenville orogeny began 1250 million years ago (Ma) and lasted for 270 million years. The Taconic orogeny began 450 Ma and lasted for 10 million years. The Acadian orogeny began 375 Ma and lasted 50 million years.
The Appalachian Highlands is one of eight government-defined physiographic divisions of the contiguous United States. [1] It links with the Appalachian Uplands in Canada to make up the Appalachian Mountains. The Highlands includes seven physiographic provinces, which is the second level in the physiographic classification system in the United ...
Appalachian Plateau. Coordinates: 40°N 78°W. Appalachian Plateau province of Appalachian Highlands division. The Appalachian Plateau is a series of rugged dissected plateaus located on the western side of the Appalachian Mountains. The Appalachian Mountains are a range that run from Nova Scotia in Canada to Alabama in the United States.
Ridge-and-Valley Appalachians. The Ridge-and-Valley Appalachians, also called the Ridge and Valley Province or the Valley and Ridge Appalachians, are a physiographic province of the larger Appalachian Highlands division. The physiographic province is divided into three sections: the Hudson Valley, the Central, and the Tennessee.
Encyclopedia of Appalachia. The Encyclopedia of Appalachia is the first encyclopedia dedicated to the region, people, culture, history, and geography of Appalachia. The Region, as defined by the Appalachian Regional Commission, is a 205,000-square-mile area that follows the spine of the Appalachian Mountains from southern New York to northern ...
The Appalachian–Blue Ridge forests are an ecoregion in the Temperate broadleaf and mixed forests Biome, in the Eastern United States. The ecoregion is located in the central and southern Appalachian Mountains, including the Ridge-and-Valley Appalachians and the Blue Ridge Mountains. It covers an area of about 61,500 square miles (159,000 km 2 ...