The Rocky Mountains start in Canada almost in Alaska .If you look in a North America mountain range map you will find it.
The Congo river does not start in the Rocky Mountains.
You must be thinking of the Rocky Mountains.
The Great Plains or The Appliacation Mountains
The Appalachian Mountains are a great deal older than the Rockies.
Montana is the state that the Rocky Mountains meet the Great Plains along the Canadian Border
The Great Lakes of the Rocky Mountains are Lake Granby and Grand Lake. Lake Granby is just west of the Rocky Mountain National Park.
Rocky Mountains --->Great Plains--->Mississippi River---> Appalachian Mountains
The Great Plains is the huge expanse of flatlands from the Rocky Mountains eastward to the Mississippi River.
The huge expanse of flatlands between the Rocky Mountains and the Mississippi River are the Great Plains and the great plains and color plateau.
Yes it is, the eastern side of the lake is bordered by the Uinto Mountains which is a subrange of the Rocky Mountains
The Great Plains is the huge expanse of flatlands from the Rocky Mountains eastward to the Mississippi River.
There is Niagra Falls which is shared by Ontario(Can.) and New York(U.S.), the Rocky Mountains which run from British Columbia(Can.) to New Mexico(U.S.), the great plains, and the Great Lakes.