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The Allegheny Plateau (/ ˌ æ l ɪ ˈ ɡ eɪ n i / AL-ig-AY-nee) is a large dissected plateau area of the Appalachian Mountains in western and central New York, northern and western Pennsylvania, northern and western West Virginia, and eastern Ohio. It is divided into the unglaciated Allegheny Plateau and the glaciated Allegheny Plateau.
A 1775 map of the Allegheny Plateau and Mountain Range. Trans-Allegheny travel had been facilitated when a military trail— Braddock Road —was blazed and opened by the Ohio Company in 1751. (It followed an earlier Indian and pioneer trail known as Nemacolin's Path .)
The plateau has a slight slant towards the northwest, making it higher on the eastern side. [2] A large portion of the plateau is a coalfield, which was formed approximately 320 million years ago during the Pennsylvanian Age. [3] The plateau was subjected to glaciation during the Pleistocene ice age. As a result, the topography of this section ...
Download as PDF; Printable version; In other projects ... Elevation: 2,369 ft (722 m) ... Forkston Mountain is a part of the Allegheny Plateau and rises over the ...
The escarpment in which Red Rock Mountain is located is a part of the Allegheny Plateau. This summit features a firetower, known as "Grandview" all located within the Ricketts Glen State Park . The views from the top of the mountain are impressive and varied.
Part of the Appalachian Mountains chain, the region does not consist of true mountains, geologically speaking, but instead a dissected plateau that is part of the Allegheny Plateau. The Catskill Mountains are the highest expression of the plateau, located to the east of the Endless Mountains, and separated from them by the Delaware River.
These plateaus, such as the Allegheny Plateau, are considered provinces of the Appalachian Highlands and the mountains assigned to them are instead considered pieces of dissected plateaus. [ 4 ] Additionally, subranges and ridges of subranges (Such as the Yew Mountains ) are inconsistently related to the Appalachian Mountain Range.
It is the highest mountain peak in Pennsylvania east of the Susquehanna River and the highest peak on the Allegheny Plateau. Elk Hill rises conspicuously above the surrounding landscape. The mountain actually has two peaks. The main summit of North Knob is 2,693 feet (821 m), and the lower summit known as South Knob is 2,602 feet (793 m). [2]