Illustration of desert base with mountains, dry creek and lake
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 base with plains at Great Sand Dunes National Park and Preserve, Colorado
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 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 plains base with mountains, aquifer, and braided river system
Illustration of plains base with mountains, aquifer, sandstone outcrop, and cave system
Illustration of plate tectonics with subduction zone and mid-ocean ridge
Illustration of stream base with springs and perched water table
Illustration of Kalaupapa National Historical Park in Hawaii, USA
Illustration of John Day Fossil Beds National Monument in Oregon, USA
Illustration of Skyline Drive along Shenandoah National Park in Virginia, USA
Illustration of a watershed and mountains, with cross section showing good vs bad
Illustration of a watershed with mountains and rivers to the coast
Illustration of watershed base with mountains, river, and islands
Illustration of watershed base with mountains, rivers, and dam
Illustration of watershed base with mountains, rivers, dam, and reef
Illustration of watershed base with mountains, perched lake, water table, and rocky headlands
3D illustration of a watershed, with a braided river, mudflat, beach, rocky headlands, and seastack