continent laid the groundwork for the modern-day interior plains. Mountain building and erosion around the plains as well as flooding from inland seas provided...

The Great Plains, sometimes simply "the Plains", is a broad expanse of flatland in North America. It is located just to the east of the Rocky Mountains...

on the Interior Plains (the Great Plains and Canadian Prairies) of North America. While hunting-farming cultures have lived on the Great Plains for centuries...

This is the beginning of the vast Interior Plains of North America. As a result, prairies cover most of the Great Plains states. Iowa and much of Illinois...

Coastal Plain (Mexico and United States) Interior Plains (Canada and United States) Lake Superior Lowland (Wisconsin, United States) Laramie Plains (Wyoming)...

divided into seven physiographic regions: the Canadian Shield, the interior plains, the Great Lakes-St. Lawrence Lowlands, the Appalachian region, the...

Rocky Mountains, Laurentian Upland, Interior Plains, Interior Highlands, Appalachian Highlands, Atlantic Plain, Alaskan, and Hawaiian. Each province...

north-western upland plain or prairie region part of the Interior Plains' Central Lowland (areas Osage Plain 12f and Dissected Till Plains 12e) known as the...

The Dissected Till Plains are physiographic sections of the Central Lowlands province, which in turn is part of the Interior Plains physiographic division...

some of which are rainforests. Interior Plains – part of the interior continental United States, it includes the Great Plains, as well as a number of highland...