(High Plains), plateau into the center, the parts OF
THE USA. Occupies the large (average) part of
the Great Plain, between r. White -River (inflow r.
of Missouri) and r. Canadian (inflow r. Arkansas). From the
adjacent sections of the Great Plain it is isolated by ledges.
It is folded by limestones and by the sandstones of paleozoic
age, by the overlapped loess loams, it is thinner - by sands.
Surface flat, is reduced with 3. on v. from 1700 to 500 m, it is cut by the valleys of
the rivers Of platt, Arkansas, etc., near which it is deeply
dismembered by thick ravine and drainage network. Raznotravno-
feathergrass, the strongly changed with pasturing cattle steppe on the
chestnut soils. Region of extensive pasture cattle breeding.
In the valleys of rivers - watered agriculture.
