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' Climax Molybdenum Mine <br />2003 Noxious & Targeted Weed Management Report <br />designed to contain, control, and eradicate to the extent practicable noxious and tazgeted <br />' weed infestations identified during the survey. <br />The survey was conducted when noxious and targeted weeds known to grow in the area <br />' were in flower or could be identified from vegetative characteristics. Conducting the <br />survey during these periods aided in identifying and observing infested areas within the <br />' project azea. The survey concentrated on seven species of noxious weeds and five <br />targeted weeds observed growing within Eagle, Summit, and Lake Counties and on the <br />' project area including: Canada thistle (Cirsium arvense); Diffuse Knapweed (Centaurea <br />diffusa); Hoazy Cress (Cardaria draba); Leafy Spurge (Euphorbia esula); Russian <br />' Knapweed (Centuarea repens); Spotted Knapweed (Centurea maculosa); Yellow <br />Toadflax (Linaria vulgaris); 1~ield bindweed (Convolvulus arvensis); Hotmdstongue <br />' (Cynoglossum officinale); Mayweed chamomile (Anthemis cotula); Musk thistle <br />(Cazduss nutans); Wild caraway (Carom carvi) Of these species Wild caraway was not <br />' observed on the project azea. <br />' Each location identified as being infested by noxious and targeted weeds during the <br />survey was evacuated and scored for three weed population characteristics to determine a <br />1 treatment priority ranking. These chazacteristics included: <br />' Population Extent & Density-The areal extent and density of the infestation were <br />rated from 1 to 3. Plant populations were rated asfollows- 1 to several plants = 1; <br />several to many plants within a small to medium sized azea = 2; and an extensive <br />number of plants over a lazge azea = 3. Plant density populations were rated as <br />described on Table 1. <br /> <br /> <br /> <br />1 Habitat Management, Inc. <br />2 <br />3/22/2004 <br /> <br />