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•. f STATE OF COLORADO <br />DIVISION OF MINfaAlS AND GEOLOGY <br />Depanmeru d Weural Resources <br />ill 7 Stsertnan A.. Room 115 n i v I s r o N o f <br />Denier. Cdaado ti0203 <br />crone: 1301 s~ 1wr Al I N E R A L S <br />F~uc csons3:-slob -& <br />GEOLOGY <br />aEC IANATIDN <br />MI NING•SAiF Ty <br />TO: Mined Lend Reclamation Board l~o..n, <br /> Minerals Staff r cqE-walcr,e, <br /> Eaeculr.t Direcsar <br /> <br />FROM: <br />Bruce Humphties~ RorWd w. Caeany <br />Aa+y uviiwn oa.nar <br />DATE: December 17, 2002' <br />RE: Weed Control Policy r <br /> Foam July 17, 1998 (Revised Februory 14, 2002, October 18, 2002) <br />The Governor's Of&ce has made it know to state agencies of the state's need to effectively control the spread <br />of noxious weeds. This policy is intended to address the management of noxious weeds that can occur at <br />mine sites. The question for the Division is what is an acceptable level of weeds at an active mining <br />operation, or on a reclaimed site at the time of financial warranty release request, in terms of the <br />requirements of the Act, Rules, and bond release? The following document is intended to provide the staff <br />and operators guidance on this issue. <br />Guideline for fhe 1lfanapement o/'Noxiorts {feeds at Kard Rock and_Consrruction ~••farerial <br />inin 0 <br />i. introduction: <br />The infestation of noxious weeds on agricultural land and rangeland is a serious problem in Colorado <br />and other western starts. Reduced productivity, loss of desirable plant species diversity and wildlife <br />habitat, and livestock health hazards can result from noxious weed infestations. land disturbances <br />assa:iated with mining provide conditions conducive to the invasion and spread of a number of <br />undesirable plant species. <br />This guide has been developed to provide guidance on the management the of noxious weeds on <br />reclaimed areas and other areas that may be affected by mining activities, due to the lack of specific <br />direction in the Act and Regulations. The purpose of the guideline is to set forth Board policy based on <br />the Hoard's interpretation of the Act, Regulations, and common sense, for the effective control of <br />noxious weeds at permitted mine sues. It is also intended to provide staff guidance as to when an <br />operator has established an acceptable type ofplant cover so that the Office tnay consider financial and <br />performance warranty release. <br />