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Climax Molybdenum Mine <br />' 2003 Noxious & Targeted Weed Management Repor[ <br />survey, they have since decreased to manageable levels. The decrease in this weed <br />population is attributed to continued concentrated weed management efforts that have <br />occurred from the inception of this weed management program through the 2003 growing <br />' season. Due to the continued decrease in weed density HMI feels a suitable level of <br />weed suppression has been reached for each of these drainages to allow a maintenance <br />' level of weed control. Concentrated spray efforts can now be shifted to other weed <br />infestations found on lands controlled by Climax. <br />' Yellow toadflax populations continue to be found across lands controlled by Climax. <br />' Although these populations aze decreasing along roadside cut banks, they continue to <br />persist on upper steep slope hillsides adjacent to access roads and in perimeter azeas of <br />' the mine. To address this concern in 2003, spraying efforts were expanded, and through <br />the use of backpack sprayers many of these isolated toadflax populations were sprayed. <br />' Backpack efforts in the future will continue to expand in order to best control populations <br />already identified and those that aze discovered in the future. <br />' Canada and musk thistle populations continue to be observed across the mine site but at <br />' reduced levels since the initial 1999 survey. Many of these populations aze found <br />growing on or along major access roads that aze easily accessed. Eazly spot spraying of <br />' these species in the rosette stage of growth is having a positive effects in the decline of <br />these weed populations. <br />Additional control of yellow toadflax and Canada Hustle populations occurred at the <br />' request of Climax mine officials azound Climax mine pump houses and along the uphill <br />side of Hwy 91 between the Main gate entrance and Storke Yard. It is recommended that <br />' spraying continue in the 2004 growing season and a follow up weed survey occur in the <br />spring of 2005 to further document weed occurrence and effectiveness of control. <br /> <br />' Habitat Management, Inc. <br />5 <br />3/22/2004 <br /> <br />