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Little Colorado HMA

Most horses in this area are dark—bay, sorrel, brown, black or gray. The Wyoming horses have a diverse background of many domestic horse breeds. They are most closely related to North American gaited breeds such as Rocky Mountain Horse, American Saddlebred, Standardbred, and Morgan.  

Location: The Little Colorado Herd Management Area (HMA) encompasses over 632,000 acres of BLM-administered public lands. The majority of the HMA consists of consolidated public lands along with state school sections and, in the south of the HMA, Bureau of Reclamation lands. The HMA is bounded on the west by the Green River, on the east by Highway 191 and on the north by the Pinedale/Rock Springs Field Office boundary. 

Size: More than 632,000 acres

Topography/Vegetation: The area is mostly rolling hills with significant canyons breaking up the area. Precipitation ranges from six-ten inches, predominately in the form of snow. The area is unfenced except for sections of the boundary fence between the Rock Springs and Pinedale Field Offices, and along Highway 191. Vegetation in the HMA is dominated by sagebrush/grass, with saltbrush, winterfat, greasewood and meadow species. Horses typically use a high amount of grass species, the most favorable being needlegrass, Indian ricegrass, wheatgrass and sedges.

Wildlife: The area supports significant wildlife populations including deer, antelope and Greater Sage-Grouse. Domestic cattle and sheep utilize the area lightly in the summer and moderately in the winter.

AML: 69-100