Palouse is an area in southeastern Washington state. composed of silt dunes.The hills are fertile lands growing wheat and legumes. They were formed during the ice ages by silt blown in which formed more or less random humps and hollows. The steepest slopes, which may reach 50% slope, face the northeast. The highly productive terrain ranges from 2 to 51 inches deep. (19 to 130cm). A scanned medium format negative from the archives.