Black Kettle WMA covers 30,710 acres near the town of Cheyenne in Roger Mills County. Located in the mixed grass prairie, it is a mixture of rolling sand hills, red shale hills, and wooded bottoms. Upland sites are vegetated with mixed grass species including big bluestem, indian grass, little bluestem, side-oats grama, and buffalo grass and brush species like shinnery oak, sagebrush, and sand plum. The red shale hills are dominated by shortgrass, sagebrush, and occasional mesquite trees. The wooded bottoms are dominated by cottonwood, elm, and hackberry trees. The average annual precipitation for the area is about 24 inches. Black Kettle National Grassland is owned by the U.S. Forest Service. For non-hunting information contact Black Kettle National Grassland, (580) 497-2143. Driving Directions: Near Cheyenne: There are approximately 100 units scattered throughout the area, consult map for specific unit locations. The U.S. Forest Service Administrative Office is west of town on State Hwy 47: (580)-497-2143.