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evaluating the revegetation success of the Irrigated Pasture areas on the NHN Mine. Thus, if a <br />species is not listed under the subsection entitled U.S. Weed Information then the <br />Characteristics section found on the left-hand portion of the page and a list of plant <br />characteristics is consulted. As used in this report, the characteristics relative to Toxicity and the <br />Palatable Grazing Animal in the Suitability/Use subsection were consulted. Plants possessing <br />Toxicity characteristics of none, slight or low would be determined to be "desirable species" with <br />respect to forage quality. The second characteristic consulted is that under the ranking for the <br />Palatable Grazing Animal characteristic. As used herein, plant species possessing rankings of <br />medium or high, would be considered to be classified as "desirable species" with respect to <br />forage quality. Application of these two traits, would mean that if a species is ranked as "none, <br />slight or low " for Toxicity and medium or high with respect to Palatable Grazing Animal, it <br />would be classified as a "desirable species" with respect to forage quality, while all species that <br />rank both medium or high with respect to Toxicity and low with respect to Palatable Grazing <br />Animal would be classified as "undesirable species" with respect to forage quality. <br />• <br />The third reference used in this determination of forage quality deals with the potential noxious <br />species or weedy characteristics as defined by the Colorado Noxious Weed Act and <br />corresponding Noxious Weed Management Plan posted at the Colorado Department of <br />Agriculture's website found at http: / /www.colorado.gov /ag. Therein are three lists of different <br />noxious weeds within the state of Colorado. As used in this Permit document, any species listed <br />on either the Colorado State List A, B or C will be considered to be an "undesirable species" <br />with respect to forage quality for this evaluation. For example, Quackgrass is found on List B <br />and thus due to its known deleterious properties, would have to be considered to be an <br />"undesirable species" with respect to forage quality. <br />The fourth series of references consulted in this determination of forage quality corresponds to <br />the Vegetation Guideline issued by the Division in June of 1987 and includes both the original <br />hard copy and the .on-line version of this document revised in October 1988. As contained <br />therein, 18 species are identified as "prohibited or primary noxious weeds" and 10 species are <br />designated as "restricted or secondary noxious weeds." The second CDRMS reference consulted <br />was the 1990 Guideline for the Management of Noxious Weeds on Coal Mine Permit Areas, <br />Section 2.05.4(2)(e) Page 19 April 2011 <br />