The Appalachian Mountains French: les Appalaches), often called the Appalachians, are a system of mountains in eastern North America. source
The Appalachian Mountains French: les Appalaches), often called the Appalachians, are a system of mountains in eastern North America.
The Appalachians first formed roughly 480 million years ago during the Ordovician Period. source
The Appalachians first formed roughly 480 million years ago during the Ordovician Period.
The Appalachian chain is a barrier to east-west travel,. source
The Appalachian chain is a barrier to east-west travel,.
The term Appalachian refers to several different regions associated with the mountain range. source
The term Appalachian refers to several different regions associated with the mountain range.
Most broadly, The term Appalachian refers to the entire mountain range with its surrounding hills and the dissected plateau region. source
Most broadly, The term Appalachian refers to the entire mountain range with its surrounding hills and the dissected plateau region.
The term is often used more restrictively to refer to regions in the central and southern Appalachian Mountains. source
The term is often used more restrictively to refer to regions in the central and southern Appalachian Mountains.
The Ouachita Mountains in Arkansas and Oklahoma were originally part of the Appalachians as well, but became disconnected through geologic history. source
The Ouachita Mountains in Arkansas and Oklahoma were originally part of the Appalachians as well, but became disconnected through geologic history.
Now spelled "Appalachian," it is the fourth-oldest surviving European place-name in the US. source
Now spelled "Appalachian," it is the fourth-oldest surviving European place-name in the US.
There are many geological issues concerning the rivers and streams of the Appalachians. source
There are many geological issues concerning the rivers and streams of the Appalachians.
The Appalachian belt includes, with the ranges enumerated above, the plateaus sloping southward to the Atlantic Ocean in New England, source
The Appalachian belt includes, with the ranges enumerated above, the plateaus sloping southward to the Atlantic Ocean in New England,
The drainage divide of the Appalachians follows a tortuous course which crosses the mountainous belt just north of the New River in Virginia. source
The drainage divide of the Appalachians follows a tortuous course which crosses the mountainous belt just north of the New River in Virginia.
The Appalachian Mountains contain major deposits of anthracite coal as well as bituminous coal. source
The Appalachian Mountains contain major deposits of anthracite coal as well as bituminous coal.
The 1859 discovery of commercial quantities of petroleum in the Appalachian mountains of western Pennsylvania started the modern United States petroleum industry. source
The 1859 discovery of commercial quantities of petroleum in the Appalachian mountains of western Pennsylvania started the modern United States petroleum industry.
Some plateaus of the Appalachian Mountains contain metallic minerals such as iron and zinc. source
Some plateaus of the Appalachian Mountains contain metallic minerals such as iron and zinc.
The Appalachians are characterized by a wealth of large, beautiful deciduous broadleaf (hardwood) trees. source
The Appalachians are characterized by a wealth of large, beautiful deciduous broadleaf (hardwood) trees.
Animals that characterize the Appalachian forests include five species of tree squirrels. source
Animals that characterize the Appalachian forests include five species of tree squirrels.
