William Blake. (2024, January 23). Wikiquote. Retrieved September 12, 2024 from https://en.wikiquote.org/w/index.php?title=William_Blake&oldid=3451810.
The peculiar and picturesque loess hills which characterize the Palouse Prairie are underlain by wind-blown sediments of the Palouse Loess that covers the surface of over 50,000 km2 (19,000 sq mi) on the Columbia Plateau in southeastern Washington, western Idaho, and northeastern Oregon.