n. One of the most extensive systems of fault-bounded mountains separated by sediment-filled valleys, extending across Idaho, Oregon, Nevada, Utah, Arizona, New Mexico, California, and northern Mexico. Basin and Range topography The surface features typical of the Basin and Range Province.
A physiographic region in the western United States that consists of fault-block mountains and intervening sediment-filled basins. The province lies between the Sierra Nevada on the west, the Columbia Plateau and Snake River Plain on the north, and the Colorado Plateau on the east. On the south, the province extends through southern Arizona and into northern Mexico.