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9. Weed Control <br /> Measures will be employed for the control of any noxious weed species. The objective of this <br /> weed management plan is to control undesirable plants on the Ralston Quarry property. Plants <br /> identified through the Colorado Noxious Weed Act(C.R.S. 35-5.5) and the Jefferson County <br /> Noxious Weed List are undesirable and designated for management within the county. These <br /> plants identified as noxious weeds will be managed by control measures. A Weed Control Plan <br /> will be utilized as follows: <br /> 1) Each spring, a weed survey will be taken of the permit area. <br /> 2) If any patches or plants have been identified,they will be sprayed by backpack sprayer or <br /> 4-wheeler using chemicals approved for use by the weed control staff of Jefferson <br /> County. <br /> 3) After reclamation, weed surveys and spraying will continue until the perennial cover and <br /> production of the site have met DRMS requirements and bond release has been obtained. <br /> The Division and Jefferson County weed control staff will be consulted regarding any weed <br /> infestation areas and any control measures prior to their initiation. The plan does not contemplate <br /> total weed removal on the property. Past experience has shown that some initial weed cover in <br /> the first year following the retopsoiling is beneficial to the reclamation effort in rangeland site. <br /> Weeds tend to provide shade for new grasses, are a means of holding snow on the seedbed longer <br /> and protecting it from wind and water erosion until the planted species have taken hold. <br /> During all phases of the mining operation the permit area will be monitored closely every year, <br /> through which the operator may determine if any additional weeds have grown. If any new <br /> species of weeds are found, Jefferson County Weed Control Program and the Division will be <br /> consulted in order to formulate the best plan for the new infestation. <br /> Ralston Quarry crcg t. irw aad Aswistm PI.1 A' <br /> January 2019 E-6 <br />