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  2. Appalachian Mountains - Wikipedia

    en.wikipedia.org/wiki/Appalachian_Mountains

    Fraser fir is endemic to the highest parts of the southern Appalachian Mountains, where along with red spruce it forms a fragile ecosystem known as the Southern Appalachian spruce–fir forest. Fraser fir rarely occurs below 5,500 ft (1,700 m), and becomes the dominant tree type at 6,200 ft (1,900 m). [ 38 ]

  3. Appalachia (landmass) - Wikipedia

    en.wikipedia.org/wiki/Appalachia_(landmass)

    During most of the Late Cretaceous (100.5 to 66 million years ago) the eastern half of North America formed Appalachia (named for the Appalachian Mountains), an island land mass separated from Laramidia to the west by the Western Interior Seaway. This seaway had split North America into two massive landmasses due to a multitude of factors such ...

  4. Appalachian Trail - Wikipedia

    en.wikipedia.org/wiki/Appalachian_Trail

    The Appalachian Trail Conservancy estimates there are over 3,000 attempts to traverse the entire trail each year, about 25% of which succeed. [9] Many books, documentaries, and websites are dedicated to the pursuit. Some hike from one end to the other, then turn around and thru-hike the other way, a "yo-yo". [10]

  5. Geology of the Appalachians - Wikipedia

    en.wikipedia.org/wiki/Geology_of_the_Appalachians

    The northern end of the Appalachian Basin extends offshore into Lakes Erie and Ontario as far as the United States–Canada border. The province covers an area of about 185,500 square miles (480,000 km 2 ) and is 1,075 miles (1,730 km) long from northeast to southwest and between 20 and 310 miles (30 and 500 km) wide from northwest to southeast.

  6. Alleghanian orogeny - Wikipedia

    en.wikipedia.org/wiki/Alleghanian_orogeny

    The Alleghanian orogeny, a result of three separate continental collisions. USGS. The immense region involved in the continental collision, the vast temporal length of the orogeny, and the thickness of the pile of sediments and igneous rocks known to have been involved are evidence that at the peak of the mountain-building process, the Appalachians likely once reached elevations similar to ...

  7. Allegheny Mountains - Wikipedia

    en.wikipedia.org/wiki/Allegheny_Mountains

    The word "Allegheny" was once commonly used to refer to the whole of what are now called the Appalachian Mountains. John Norton used it (spelled variously) around 1810 to refer to the mountains in Tennessee and Georgia. [2] Around the same time, Washington Irving proposed renaming the United States either "Appalachia" or "Alleghania". [3]

  8. Hikers urged to avoid parts of Appalachian Trail after Helene ...

    www.aol.com/news/hikers-urged-avoid-parts...

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  9. Appalachian Trail by state - Wikipedia

    en.wikipedia.org/wiki/Appalachian_Trail_by_state

    After traversing the Bald Mountains, the Appalachian Trail crosses the Nolichucky River and enters the Unakas, gradually ascending to the Roan Highlands near the town of Roan Mountain in Carter County. Atop Roan High Knob, the A.T. again eclipses 6,000 feet (approximately 6,280 ft or 1,910 m), and passes the highest shelter along the entire trail.