There are vast, open grazing (A) lands, an area (B) that receives little rain (C) than the farming region west of (D) the Missouri River.
There are vast, open grazing (A) lands, an area (B) that receives little rain (C) than the farming region west of (D) the Missouri River.
vast, open grazing (A)
an area (B)
little rain (C)
west of (D)