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North River Gravel Pit Weldon Construction <br /> Table 1. Seed Mix <br /> e a r <br /> r'' <br /> Shrubs <br /> Fourwing saltbush Atriplex canescens VNS 2.5 <br /> Shadscale Atriplex confertifolia VNS 2.0 <br /> Grasses` <br /> Indian ricegrass Achnatherum (Oryzopsis) hymenoides White River, Paloma, 8 <br /> rimrock <br /> Bottlebrush squirreltail Elymus elymoides State Bridge, Little 5 <br /> Sahara <br /> Sandberg bluegrass Poa sandbergii, Poa secunda UP Colorado, VNS 1 <br /> Broadcast seeding rates should be approximately 120 pure live seeds (PLS) per square foot if <br /> broadcasted. <br /> 6.1.4. Post- Reclamation Site Drainage <br /> Given the pit sizes and aridity of the area, creation of ponds is not anticipated. Some "ponding" of <br /> water may occur in smaller depressions but is not anticipated to persist. <br /> Existing ephemeral draws and washes passing through the mine area will be reestablished or <br /> allowed to continue conveyance of ephemeral flows through the site. <br /> Details regarding surface water can be found in Exhibit G. <br /> 6.2. Revegetation Success Criteria <br /> Revegetation will be deemed adequate when erosion is controlled, and vegetation is approximately <br /> 70 percent of surrounding undisturbed vegetation profiles and is considered satisfactory according <br /> to DRMS standards. <br /> 6.3. Noxious Weed Control <br /> Noxious weeds identified through the Colorado Noxious Weed Act (C.R.S. 35-5.5)will be controlled <br /> per state regulation. Control will be achieved by: <br /> • A weed survey of the permit area will be completed every spring. <br /> • Infestations will be treated using approved chemicals and will be sprayed by the landowner <br /> or a certified applicator. <br /> • After reclamation, weed surveys and treatment will continue until the perennial cover and <br /> production of the site have met DRMS requirements and bond release has been obtained. <br /> The Rio Blanco County Weed & Pest Manager will be consulted regarding any weed infestation of <br /> areas that become troublesome or difficult to control. The reclamation plan does not contemplate <br /> total weed removal on the property; past experience has shown that some weed infestation is <br /> common on the property and in surrounding areas, and complete eradication will not be feasible <br /> given limitations in control methods and surrounding infestations. <br /> During all phases of the mining operation, the permit area will be monitored every year and the <br /> operator will determine if any additional weed infestations need treatment. <br /> 15 <br />