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prior to that point though not obvious. If reclaimed areas have a low vegetative cover, <br />including annuals, after the first growing season, the area will be evaluated for perennial <br />species density. If [he density of perennial species (excluding noxious or problem weeds) is • <br />less than one per square foot in a seeded area, the subject area will be reseeded using the <br />appropriate permanent seed mix. Concentrated shrub seeding or planting areas will be <br />exempted from this evaluation since the intent is to keep herbaceous competition +tt a <br />minimum. <br />Weed and Pest Control. A number of noxious weeds occur in the region surrounding the <br />Yoast Mine. Specifically, the tollowing noxious weeds (as listed in Section V, CMI_RD <br />Guideline for the Management of Noxious Weeds on Coal Mine Permit Areas) have been <br />identified on [he mine permit area: <br />Canada thistle (Cirsium arvensel <br />Field bindweed IConvolvulus arvensis) <br />Yellow toadflax ILinaria vu g ) <br />Reclaimed areas or mine related associated disturbances such as roadsides and facilities will <br />be monitored for noxious weed infestations. Monitoring will be conducted either through <br />the formal revegetation monitoring program or as qualitative observations by Yoast Mine <br />reclamation personnel. If noxious weed infestations occur at levels which may interfere • <br />with successful reclamation, or are detrimental to stand quality, weed control using <br />herbicides will be implemented. 'A number of herbicides are available on the market at this <br />time and those proposed for the Yoast Mine are listed in Table 22-11. The Colorado Slate <br />University Cooperative Extension Service, or representative agent in Routt County, will be <br />contacted for recommendations as to specific herbicides and application rates for the <br />targeted weeds. Recommendations specified on the herbicide label will also be strictly <br />followed. <br />Application of herbicides will be carried out either through outside services or by <br />Reclamation Department personnel of the Yoast Mine. Outside services will consist of <br />e7ther the Routt County Weed Control District resources or a private commercial herbicide <br />applicator. Upon obtaining the proper herbicide application equipment, primary application <br />and ongoing control will be through the Reclamation Department at the Yoast Mine. <br />All applicators, including the Voast Mine reclamation personnel charged with herbicide <br />application, will be properly licensed and/or certified to apply restricted or general use <br />• <br />30 Revised 03/07/95 <br />