A link to the publication, Livestock Grazing Guidelines for Controlling Noxious Weeds in the Western United States, by Jason C. Davison,  Forage and Alternative Crops Specialist University of Nevada Cooperative Extension; Ed Smith,  Natural Resource Specialist,  University of Nevada Cooperative Extension; and Linda M. Wilson Invasive Plant Ecologist, Plant, Soil and Entomological Sciences,  University of Idaho.