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2.0 PURPOSE <br />The purpose of this Weed Management Plan is to identify and control the presence of <br />noxious weeds at the White River City Pit in order to: <br />a. Prevent the spread of dangerous economically devastating weed species; <br />b. Preserve the integrity of the landscape and conserve local resowces; <br />c. Deter management cost for adjoining landowners; <br />d. Prevent long-term environmental degradation in azeas such as but not limited <br />to riparian, agricultural, and wildlife azeas; and <br />e. To comply with the Colorado Noxious Weed Act, C.R.S. 35-5.5. <br />3.0 MANAGEMENT GOALS <br />The White River City Pit is a proposed gravel mining operation that will supply gravel <br />for existing and potential future constmction projects in the Piceance Basin of Colorado. <br />The materials mined will be used to produce concrete, asphalt, road base, and other such <br />construction materials. The mine is needed to maintain reasonably priced and attainable <br />aggegate materials for road and other civil construction in this area, which is <br />~ experiencing explosive growth due to the energy industry. <br />The reclamation plan for the White River City Pit calls for reclaiming the pit to an <br />aesthetically pleasing lake with a wetland fringe and dry land pasture above the lake azea. <br />4.0 WEED CONTOL OBJECTIVES <br />The site of the proposed White River City Pit consists primarily of irrigated pasture with <br />several small areas of wetlands. Vegetation in the irrigated pasture consists of timothy, <br />white clover and intermediate wheatgrass. Vegetation in the wetlands consists of coyote <br />willow, cattail, hazdstem bulrush, and juncos. <br />Prior to leveling and irrigation, the field probably contained mainly basin wildrye, <br />western wheatgrass, streambank wheatgrass, bluegrasses, and big sagebrush. Smaller <br />amounts of rubber rabbitbrush, fourwing saltbush, and bottlebrush squirreltail aze also <br />commonly present in similaz areas that have not been distwbed. <br />The hillsides to the south of the permit are above the field consist of sparse pinyon, <br />juniper, mountain brush, sagebrush and some grasses. Soils on these slopes are thin <br />compared to those in the meadow. <br />On April 11, 2006, Greg Lewicki of Greg Lewicki and Associates visited the site and <br />Weed Managemen! Plan, White River City Pit <br />