Palouse vs Llano Estacado

The Palouse is a landscape and agricultural region of rolling loess hills in eastern Washington and adjacent northern Idaho. Wind-deposited silt created deep, fertile soils that support extensive dryland farming, especially wheat, even though the region receives limited summer rainfall. Its smooth hill forms, exposed soils, and large-scale grain fields distinguish it from the more rugged mountains...

The Llano Estacado, or Staked Plains, is a semiarid tableland extending across parts of northwestern Texas and eastern New Mexico. It lies south of the Canadian River and is bounded in part by the Caprock and Mescalero escarpments, which separate the high plain from lower surrounding terrain. The plateau is broadly flat, gently slopes southeastward, and is marked by limited natural surface water,...