Illustration of foothills and plain
Illustration of mountain range with eroded and unwarped plateau
Illustration of mountain range with foothills and glaciers
Illustration of mountain range with plain and water table in Great Sand Dunes National Park and Preserve in Colorado, USA
Illustration of mountain range base with plains at Great Sand Dunes National Park and Preserve, Colorado
Illustration of mountain range with plain, rivers, and lakes
Illustration of mountain range with river canyon, mesas, craters, and sand plain
Illustration of mountains with glaciers, braided stream, and varve lake
Illustration of mountains with high gradient stream to basalt lake
Illustration of mountains with high gradient stream to sandstone lake
Illustration of mountains with modified valley and granite outcrop
Illustration of mountains with rocky outcrops and stream
Illustration of Skyline Drive along Shenandoah National Park in Virginia, USA