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Wellington Downs Pit Weed Management Plan <br />June 2008 <br />Site Location <br />The Wellington Downs Pit is located approximately 1'/z miles west of Timnath,, in Larimer County, <br />Colorado. <br />Obiective <br />The objective of this weed management plan is to control undesirable plants on the Wellington <br />Downs Pit property. , Plants identified through the Colorado Noxious Weed Act 35-5.5) <br />and the Larimer County Noxious Weed List as undesirable and designated for management <br />within the county include Canada Thistle, Musk Thistle, Diffuse Knapweed, Russian Knapweed, <br />Spotted Knapweed,. Dalmation Toadflax, Yellow Toadflax, Leafy Spurge, and Tamarisk. Not all <br />of these weeds are found on this site. In addition to this list, Russian.olive is included for <br />management and eradication in the Colorado Division of Minerals and Geology program policy <br />memorandum dated January 1.9, 2005. <br />Methods of Control <br />The methods of control are cultural, mechanical, biological, and chemical. They are listed in <br />order of use preference. These methods are defined as follows: <br />• Cultural - The method or management practices that encourage the growth of desirable <br />plants over undesirable plants. <br />• Mechanical- - The method or management practices that physically disrupt plant growth <br />including but not limited to tilling, mowing, burning, flooding, mulching, hand-pulling, <br />and hoeing. <br />Biological. - The use of organisms such as sheep, goats, cattle, insects, and plant diseases <br />.to disrupt the growth of undesirable plants. <br />• Chemical - The use of herbicides or plant regulators to disrupt the growth of undesirable <br />plants. <br />An integration of one or more of these methods will be applied. In general, weeds will be <br />controlled by minimizing disturbed areas and re-vegetating affected areas as soon as . possible <br />following disturbances. Each year, prior to the growing season, the site will be inspected to <br />assess noxious weed growth and establish control procedures for the season. Weed management <br />will likely include both mechanical and chemical controls. Biological controls are not <br />anticipated at this time. Mowing will be used throughout the growing season in order to keep <br />noxious weeds from going to seed. Chemical spraying will occur to manage weeds in reclaimed <br />areas. <br />t