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the coastal plains
The GREAT PLAINS is a dry, treeless region that lies between the Mississippi River and the Rocky Mountains.
the coastal plains
the great plains
The Great Plains.
The Great Plains is the huge expanse of flatlands from the Rocky Mountains eastward to the Mississippi River.
The Great Plains, the Mississippi River system, and the eastern woodlands all lie between the Rocky Mountains and the Appalachian Mountains.
the great plains
The rocky mountains lie in the middle of the country.
The Great Plains is the huge expanse of flatlands from the Rocky Mountains eastward to the Mississippi River.
the rocky mountains
Grassland, Prairie, and Steppe. It also lies between the Mississippi River and Rocky Mountains.