The plains are located in several states.
The plains are located in several states.
This is an example of a poorly stated question. There are several plains states and they are in the Lower 48. What else the questioner seeks is indecipherable.
The only U.S. state that does not lie within the continent of North America is Hawaii.
within the state
within the state
Technically, there is no 'state within another state'. The Australian Capital Territory does however lie within New South Wales.
Hawaii
Hawaii
West Siberian Plains
plains
The Central Lowlands lie between the Appalachians Highlands Great and the Plains.
rivers