vast inland region of the W U.S., between the Sierra Nevada & the Wasatch Mountains: the rivers & streams flowing into this region form lakes which have no outlet to the sea: c. 200,000 sq mi (517,998 sq km)
"Great Basin." YourDictionary, n.d. Web. 19 December 2018. <https://www.yourdictionary.com/great-basin>.
Great Basin. (n.d.). Retrieved December 19th, 2018, from https://www.yourdictionary.com/great-basin
A large self-contained drainage basin of the western United States, including most of Nevada and parts of Utah, Wyoming, Idaho, Oregon, and California. Situated in the rain shadow of the Sierra Nevada, the Great Basin is mostly arid.