The great basin includes most of what state.

The great basin includes Nevada, Utah, California, Idaho and Oregon states, but covered a large part of the state of Nevada.

Explanation:

The greatest region in North America with overlapping watersheds which seems to be a small drainage basin that usually holds water and does not require the outflow of water to other outside bodies, it is popular as the Great Basin. It covers maximum of Nevada, a great deal of Oregon and Utah, and areas of Wyoming,California and Idaho.

An area of 200,000 square miles that drains from within is known as the Great Hydrographic Basin. The area is surrounded to the east by the Wasatch Range, the west by the Sierra Nevada and the north by the Snake River Plain.The Basin and Range area is the result of geological processes spreading the surface of the earth, producing several shifting mountain ranges in the north-south direction.The Great Basin Desert is characterized by populations of plants and animals. It is a temperate desert with warm, dry summers and snowy winters. Sagebrush and shadescale predominate in the valleys.

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