no it does not need large amounts of water to survive
Yes.
After searching many websites on the Great Basin, I can confer that such a large area must be natural.
The great salt lake
Nevada
Nevada
john cena
nevada
The Great Basin is a large and Beautiful, arid region of the western United StatesThe Great Basin is a large region of the western US. It is most known as the contiguous watershed, between the Wasatch Mountains in Utah and the Sierra Nevada. The Great Basin is a 200,000 square mile intermontane plateau that covers most of Nevada and more than half of Utah, as well as a couple parts of California, Idaho, Oregon & Wyoming. The Great Basin is a series of contiguous watersheds.
Most of Nevada is covered by the Great Basin Desert butalso has a small portion of the Mojave Desert. The Great Basin also covers a large part of Utah and a small part of California.
The Great Artesian Basin in Australia is estimated to contain 64,900 cubic kilometres (15,600 cu mi) of groundwater.
The Great Basin is a large and Beautiful, arid region of the western United StatesThe Great Basin is a large region of the western US. It is most known as the contiguous watershed, between the Wasatch Mountains in Utah and the Sierra Nevada. The Great Basin is a 200,000 square mile intermontane plateau that covers most of Nevada and more than half of Utah, as well as a couple parts of California, Idaho, Oregon & Wyoming. The Great Basin is a series of contiguous watersheds.
The Great Basin Desert spans a large part of the state of Nevada, and extends into western Utah, eastern California, and Idaho.