U.S. DEPARTMENT OF THE INTERIORBUREAU OF LAND MANAGEMENT
 
Elko District Office/Wild Horse & Burro
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Diamond Hills North Herd Management Area

The terrain within the Diamond Hills North HMA varies from low valleys to high mountains with elevations ranging from 5,531 feet in Huntington Valley to 8,331 atop Bailey Mountain.

The North Diamonds HMA is located in southern Elko County, approximately 38 miles south of Elko, Nev. The area is within the Great Basin physiographic regions.
Diamond Hills North HMA
Horses running within the Diamond Hills North HMA

It is characterized by a high rolling plateau underlain by basal flows covered with thin loess and alluvial mantel. Precipitation ranges from six inches in the valley bottoms to 16 inches in the mountains. Most of the precipitation comes during the winter months in the form of snow with the summer months being quite dry. Generally evaporation potential exceeds precipitation throughout the year. Temperatures range from the upper 90s in the summer to minus 15 in the winter.

Vegetation types are distributed according to topography, elevation and precipitation. The valley bottoms support large alkali flats containing salt-tolerant plants such as alkali sacaton, inland saltgrass and alkali bluegrass. The lower, drier elevation consists of saltbrush, greasewood, sagebrush and a variety of annual and perennial grasses. Pinyon-Juniper communities are prevalent in the alluvial fans and hillsides. Mountain big sagebrush, antelope bitterbrush, snowberry, serviceberry and curlleaf mountain mahogany with an understory of bluebunch wheatgrass, needlegrass species, Indian ricegrass and bottlebrush squirreltail dominate the higher elevations.

Wild horses found in the North Diamonds HMA today originated from privately owned horses and likely have many domestic bloodlines in their background. In addition to bay, black, brown and sorrel colors, other colors present are buckskin, roan, palomino and grays. 

Map


 
Last updated: 02-07-2012