Illustration of Andropogon gerardii (Big Bluestem)
A 2D cross-section of US topography, from the Pacific Ocean to the Atlantic Ocean
Illustration of Geomys bursarius (Plains Pocket Gopher)
Illustration of mountain range with eroded and unwarped plateau
Illustration of mountain range with plain and water table in Great Sand Dunes National Park and Preserve in Colorado, USA
Illustration of mountain range with plain, rivers, and lakes
Illustration of a tipi or teepee, popularized by Native Americans of the Great Plains