River is the natural feature used to produce energy in the western part of United States.
Natural feature refers to geological element produced by nature and includes tree, soil, slopes, vegetation, water, drainage patterns, climate, lakes, flood plains, oceans, aquatic life etc
In conclusion, it is important to know that many of the largest hydro-power dams built by the Federal government are in the western region because of the availability of River which will supply the Dam enough water for generation of electricity.
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