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=== | === ATLANTIC COASTAL PLAIN === | ||
{| class="wikitable sortable mw-collapsible" | {| class="wikitable sortable mw-collapsible" | ||
|- style="vertical-align:top;" | |- style="vertical-align:top;" | ||
|[[File:Atlantic Coastal Plain.svg|thumb|The Atlantic coastal plain |alt=|border|none]] | |[[File:Atlantic Coastal Plain.svg|thumb|The Atlantic coastal plain |alt=|border|none]] | ||
|} | |} | ||
* | * | ||
|Atlantic Coastal Plain = | |Atlantic Coastal Plain = | ||
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* the western barrier to the Coastal Plain is the eastern slope of the Appalachian Mountains | * the western barrier to the Coastal Plain is the eastern slope of the Appalachian Mountains | ||
|-style="vertical-align:top;" | |-style="vertical-align:top;" | ||
|'''APPALACHIAN REGION'''[[File:AppalachianLocatorMap2.png|thumb|AppalachianLocatorMap2|alt=|border|none]][[File:Appalachian region of United States.png|thumb|'''Appalachian region of United States'''|alt=|none]] | | | ||
=== '''APPALACHIAN REGION''' === | |||
[[File:AppalachianLocatorMap2.png|thumb|AppalachianLocatorMap2|alt=|border|none]][[File:Appalachian region of United States.png|thumb|'''Appalachian region of United States'''|alt=|none]] | |||
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* Appalachian Mountains = | * Appalachian Mountains = | ||
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=== INTERIOR LOWLANDS === | |||
[[File:NorthAmericaInteriorPlains.svg|thumb|The Interior Plains are highlighted in red.|none]] | |||
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* areas of largely level, grasslands | |||
* to the east and west of the Mississippi River in the upper MidWest | |||
* note that this area as shown here includes the Great Plains | |||
** see the Virginia SOL regions map above to distinguish between the Interior Lowlands and the Great Plains | |||
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|[[File:Satellite image illustrating the Great Plains.jpg|thumb|Satellite image illustrating the Great Plains|alt=Satellite image illustrating the Great Plains.jpg|border|none]][[File:Map of Great Plains.svg|thumb|'''Great Plains region'''|alt=|none]] | | | ||
| | === '''GREAT PLAINS REGION''' === | ||
[[File:Satellite image illustrating the Great Plains.jpg|thumb|Satellite image illustrating the Great Plains|alt=Satellite image illustrating the Great Plains.jpg|border|none]][[File:Map of Great Plains.svg|thumb|'''Great Plains region'''|alt=|none]] | |||
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* area of flat lands with mostly grasses (not forests) | * area of flat lands with mostly grasses (not forests) | ||
* the flat lands are either | * the flat lands are either | ||
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*** prairies have fertile soil and are excellent for large-scale farming | *** prairies have fertile soil and are excellent for large-scale farming | ||
|-style="vertical-align:top;" | |-style="vertical-align:top;" | ||
|[[File:RockyMountains-Range.svg|thumb|Rocky Mountains Range ("range" as is a "mountain range" or series of connected mountains)|alt=RockyMountains-Range.svg|none]][[File:NorthAmerica-WaterDivides.png|thumb|A map of the principal hydrological divides of North America. The Eastern Continental Divide (orange line) demarcates two watersheds of the Atlantic Ocean: the Gulf of Mexico watershed and the Atlantic Seaboard watershed.|alt=|border|none]] | | | ||
| | === '''ROCKY MOUNTAINS REGION''' === | ||
[[File:RockyMountains-Range.svg|thumb|Rocky Mountains Range ("range" as is a "mountain range" or series of connected mountains)|alt=RockyMountains-Range.svg|none]][[File:NorthAmerica-WaterDivides.png|thumb|A map of the principal hydrological divides of North America. The Eastern Continental Divide (orange line) demarcates two watersheds of the Atlantic Ocean: the Gulf of Mexico watershed and the Atlantic Seaboard watershed.|alt=|border|none]] | |||
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* high mountain range above and to the east of the Great Basin | * high mountain range above and to the east of the Great Basin | ||
** the "'''Great''' '''Continental Divide'''" is in the Rocky Mountains, marking the point at which the land descends to the east or the west | ** the "'''Great''' '''Continental Divide'''" is in the Rocky Mountains, marking the point at which the land descends to the east or the west | ||
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* important rivers flow from origins in the Rocky Mountains | * important rivers flow from origins in the Rocky Mountains | ||
|-style="vertical-align:top;" | |-style="vertical-align:top;" | ||
|[[File:Basin and Range Province Boundaries and Landmarks.svg|thumb|One of various geographical definitions of the Province|alt=|none]][[File:GB-Definition-Map.jpg|thumb|The hydrographic Great Basin (magenta outline), distinguished from the Great Basin Desert (black), and the Basin and Range Geological Province (teal).[3]|alt=|border|none]][[File:Great Basin map.gif|thumb|Great Basin map|alt=Great Basin map.gif|border|none]] | | | ||
| | === '''BASIN AND RANGE''' === | ||
[[File:Basin and Range Province Boundaries and Landmarks.svg|thumb|One of various geographical definitions of the Province|alt=|none]][[File:GB-Definition-Map.jpg|thumb|The hydrographic Great Basin (magenta outline), distinguished from the Great Basin Desert (black), and the Basin and Range Geological Province (teal).[3]|alt=|border|none]][[File:Great Basin map.gif|thumb|Great Basin map|alt=Great Basin map.gif|border|none]] | |||
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* the "Great Basin" = a geographic depression (low area) that was once under the sea | * the "Great Basin" = a geographic depression (low area) that was once under the sea | ||
** no rivers or water flow out of the Great Basin | ** no rivers or water flow out of the Great Basin | ||
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** the western border of the Range are the '''Sierra Nevada Mountains''' | ** the western border of the Range are the '''Sierra Nevada Mountains''' | ||
|- style="vertical-align:top;" | |- style="vertical-align:top;" | ||
|[[File:California Mountain Ranges.png|thumb|Northern and Southern Coast Ranges and other major mountain ranges of California|alt=|border|none]] | | | ||
| | === '''PACIFIC COASTAL RANGE''' === | ||
[[File:California Mountain Ranges.png|thumb|Northern and Southern Coast Ranges and other major mountain ranges of California|alt=|border|none]] | |||
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* western slope of mountains that border the Great Basin and Rocky Mountains | * western slope of mountains that border the Great Basin and Rocky Mountains | ||
* and that produce important rivers that flow into the Pacific Ocean | * and that produce important rivers that flow into the Pacific Ocean |