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• Surface Stabilization Measures. The planting of a cover crop will be the prindpal means of surface <br />stabilization during initial establishment of the perennial vegetative cover. Straw mulch xnay be used <br />in lieu of a cover crop. Whenever mulch is used, the application rate will be approximately one ton <br />per acre. The straw will be anchored by mechatrical crimping or tacked with one of the various <br />tackifying compounds available. Mechanical crimping operations will be done on the contour <br />whenever possible. Only dean grain straw that is Eree of noxious or problem weeds will be used. Fall <br />seeding of the permanent mix allows Eor spring germination and subsequent quick stabilization. <br />Reseeding of Previously Seeded Areas. All seeded areas will be periodically monitored fot success of <br />perennial vegetation establishment Soil Conservation Service (SCS) technical guides recommend that <br />a minimum of two years should be allowed before declaring a stand a failure. The heavy annual weed <br />growth during the first, and sometimes second year, make it somewhat difficult to deteanine the level <br />of vegetation success (i.e., adequate establishment of perental vegetation). At any rate, reclamation <br />experience at the neazby Seneca II Mine shows that an initial heavy weed growth indicates good site <br />characteristics and adequate moisture fox establishment and development of the perennial vegetation. <br />This heavy weed growth also reflects early successional processes. Monitoring at the Seneca II Mine <br />• shows adequate perennial vegetation cover is ofren well established by the second or third growing <br />season, indicating that the perennial spedes were present prior to that point though not obvious. If <br />reclaimed areas have a low vegetative cover, including annuals, after the Cost growing season, the azea <br />will be evaluated for perennial speaes density. If the density of perennial spedes (excluding noxious <br />or problem weeds) is less than one per square foot in a seeded azea, the subject area will be reseeded <br />using the appropriate permanrnt seed mix. Concentrated shrub seeding or planting aeeas will be <br />exempted from this evaluation since the intent is to keep herbaceous competition at a minimum <br />Weed and Pest Contra] <br />Weed and vegetation surveys conducted on the Yoast and other SCC properties have revealed many <br />weed speces. The management of these species vanes according to level of infestation and sensitivity <br />of surrounding vegetation. SCC uses an integrated approach to weed control on property owned in <br />Routt County, Colorado. Maaagement includes prevention, chemical, mechanical and biological <br />controls. Pursuant to the Colorado 1996 Noxious Weed Law and additiona12003 regulations, (35- <br />5.5401 through 119), SCC has prepared the following weed management plan. See Appendix 22-4, <br />• Weed Matragement Plan, fox a complete copy of the plan. <br />MR-25 26 Revised 12/05 <br />