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Wikipedia: The Appalachian Mountains, often called the Appalachians, are a vast system of mountains in eastern North America. Definitions vary on the precise boundaries of the Appalachians. The United States Geological Survey (USGS) defines the Appalachian Highlands physiographic division as consisting of thirteen provinces: the Atlantic Coast Uplands, Eastern Newfoundland Atlantic, Maritime Acadian Highlands, Maritime Plain, Notre Dame And Megantic Mountains, Western Newfoundland Mountains, Piedmont, Blue Ridge, Valley and Ridge, Saint Lawrence Valley, Appalachian Plateaus, New England province, and the Adirondack provinces.
![[Male Eastern Wild Turkey.]](http://images.ookaboo.com/photo/s/Wild_Turkey_27527_1_s.jpg "Male Eastern Wild Turkey.")
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![[View from the slopes of Back Allegheny Mountain, looking east, in the Appalachian Mountains]](http://images.ookaboo.com/photo/s/MonNatForest_s.jpg "View from the slopes of Back Allegheny Mountain, looking east, in the Appalachian Mountains")
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 from Ken Thomas |
 from Valerius Tygart |
![[Southern flying squirrel.]](http://images.ookaboo.com/photo/s/Southern_Flying_Squirrel_27527_3_s.jpg "Southern flying squirrel.")
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![[Looking southwest from the observation tower atop Mount Mitchell in Yancey County, North Carolina, USA]](http://images.ookaboo.com/photo/s/Mount_Mitchell_27527_s.jpg "Looking southwest from the observation tower atop Mount Mitchell in Yancey County, North Carolina, USA")
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from Ken Thomas |
from Ken Thomas |
![[Cliffs overlooking the New River near Gauley Bridge, West Virginia.]](http://images.ookaboo.com/photo/s/Cliffs_above_Gauley_27527_s.jpg "Cliffs overlooking the New River near Gauley Bridge, West Virginia.")
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![[Old fault exposed by roadcut near Harrisburg, Pennsylvania, along Interstate 81]](http://images.ookaboo.com/photo/s/Appalachian_fault_s.jpg "Old fault exposed by roadcut near Harrisburg, Pennsylvania, along Interstate 81")
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from Ken Thomas |
 from Pollinator |
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