Unit 129 sits in the southeast corner of Prowers County and northeast Baca County—the country south of the Arkansas River reaching toward the Comanche Grassland boundary near Springfield. Elevations 3,700 to 4,400 feet. The terrain is rolling shortgrass and sandsage prairie with heavy dryland wheat acreage, scattered irrigated quarters, aged CRP, and the broken sandsage country south of the river that gives way to the juniper-and-cottonwood breaks of the Cimarron drainage further south. Pronghorn dominate; mule deer hold the sand draws, shelterbelts, and the better CRP blocks; the rare whitetail haunts the Arkansas riparian corridor on the northern edge. The unit is almost entirely private deeded ranch and ag ground. Public ground is sparse—scattered state trust sections, a couple of small state wildlife areas, the northern fringe of the Comanche National Grassland's Carrizo Unit on the southern boundary, and a Walk-In Access roster that varies year to year. US-50 cuts the northern edge through Granada and Holly; US-385 runs north-south through Granada into Springfield; US-160 runs east through Springfield to the Kansas line. Lamar to the north and Springfield to the south are the supply towns; Holly is a small ag town. Cell service is poor across most of the unit—plan for satellite if you're going deep on the county grid. Wind is constant and the gumbo dirt roads turn to a slick paste when wet. Pronghorn rifle is the workable hunt for hunters with WIA homework or landowner relationships; the country is open enough for classic glassing-and-stalking pronghorn pursuit.