Overview of Devils Tower geology (Alt + 1)
Sedimentary Rocks (Alt + 2)
Igneous Rocks (Alt + 3)
Erosion (Alt + 4)
Review of Devils Tower geology (Alt + 5)
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The landscape of Devils Tower National Monument is the result of a unique interaction of sedimentary, igneous and erosional processes.

Deposition of sediment
Intrusion of igneous rock
Erosion of the landscape