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~~°~ WNITEWATER BUILDING MATERIALS CORPORbTION <br />940 South 10th Street, P.O. Box 1769 <br />~ " GRAND JUNCTION, COLORADO 81502 '~~ <br />SAND .~C GRAVEL PRODUCTS READY MIXED CONCRETE <br />Phone 292-7537 ~~ Phone 292-4893 <br />(,vk ~ ~t „aa~Cr- S~ i ~ MoD ~'-1z-o3 ~ <br />~[_1q7~_ [~a/ ~ <br />NOXIOUS WEED MANAGEMENT PLAN ~ <br />March 11, 2005 ~ 2 8, ~ <br />Grand Junction Fleid Ofdcy <br />PURPOSE: Division t~4 A9irlerala Ib Gadupy <br />To control as necessary plant species that have been identified by the Division of <br />Minerals and Geology or Mesa County Pest Management as undesirable and under <br />mandatory control guide lines. <br />GOALS: <br />To identify, contain and prevent the spread of weeds on and from property affected by <br />Whitewater's mining activity. <br />METHODS: <br />Whitewater will most o(len utilize chemicals to control or eradicate :~ weed species. <br />These chemicals will be used according to manufacturer recommendations and proper <br />safety will be used while applying them. Certain chemicals are more effective on <br />different weed species and effective application varies on the timing of the spray and type <br />of application. Whitewater will contact local weed control experts such as Mesa County <br />and the local CSU Extension office for help when defining a plan for a newly identified <br />weed. <br />Whitewater will also use mechanical means to keep weed species down when such <br />methods are feasible and effective. <br />KNOWN WEEDS AND CURRENT CONTROL: <br />Kussian Knapweed: Annual spraying with Curtail or Redeem in the late Pall before first <br />freeze. <br />Hoary Cress-White Top: Annual spraying with a combination of 2, 4 D and glyphosate <br />(for example, Roundup) in the spring just before bloom. <br />Misc. Weeds: At this time small densities of other species exist on effected lands and are <br />being controlled while spraying for either Russian Knapweed or While Top. Annual <br />