Embankment dam

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An embankment dam is a large artificial dam. It is typically created by the placement and compaction of a complex semi-plastic mound of various compositions of soil or rock. It has a water-resistant natural covering for its surface, and may feature a dense, watertight core to resist surface or seepage erosion. Such a dam is composed of fragmented independent material particles. The friction and interaction of particles binds the particles together into a stable mass rather than by the use of a cementing substance.

Read on Wikipedia · Image Harrison Keely, CC BY 4.0