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Great Appalachian Valley

Great Appalachian Valley: see under Appalachian Mountains.

The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.

More on Great Appalachian Valley from Infoplease:

  • Cumberland Valley - Cumberland Valley Cumberland Valley, 75 mi (121 km) long and from 15 to 20 mi (24–32 km) ...
  • Holston - Holston Holston, river, c.120 mi (190 km) long, formed by the uniting of its northern and southern ...
  • Pennsylvania: Geography - Geography The Great Lakes Plain meets the Appalachian Plateau in the extreme northwestern part of ...
  • Pennsylvania: Economy - Economy Iron smelting, made possible by abundant supplies of ore and of hardwoods for the furnaces, ...
  • Appalachian Mountains - Appalachian Mountains Appalachian Mountains , mountain system of E North America, extending in a ...

See more Encyclopedia articles on: U.S. Physical Geography

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