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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.
Edgar Allan Poe later took up the idea and considered Appalachia a much better name than America or Alleghania; he thought it better defined the United States as a distinct geographical entity, separate from the rest of the Americas, and he also thought it did honor to both Irving and the natives after whom the Appalachian Mountains had been ...
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 ...
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.
The turnpike continued along PA-462 to end at the Susquehanna River in Columbia, Pennsylvania. [6] After 1913, the turnpike was renamed as a section of the Lincoln Highway. [9] US-322: Manor Ave: 0.7 miles (1.1 km) In 1803, the Horseshoe Pike (now US-322) was built from here to Ephrata and Harrisburg, Pennsylvania. [10] PA-4015: Edges Mill Rd ...
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 ...
The expedition did reach the Overhill Cherokee area, but Needham was killed on the return trip. Gabriel Arthur was almost killed, but was rescued and adopted by a Cherokee chief. For his own safety, Arthur was then sent with one of the chief's raiding parties. For about a year, he traveled with the Cherokee throughout the Appalachians.
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]