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RULE 4 PERFORMANCE STANDARDS <br />b) All forbs combined with between 1% and 50% relative cover (composition). <br />For areas targeting the livestock grazing subcomponent of the Rangeland Land Use (Post -2008 <br />reclamation): <br />a) At least three native* cool season perennial grasses with between 3% and 50% relative <br />cover (composition), and <br />b) At least one perennial forb or shrub with between 2% and 50% relative cover <br />(composition), or <br />c) A total of all forbs or all shrubs combined with between 4% and 50% relative cover <br />(composition), or <br />d) If five or more native* cool season perennial grass taxa contribute between 3% and 50% <br />composition, the requirement for perennial forbs and shrubs shall be limited to 1 % or more <br />relative cover combined. <br />For areas targeting the wildlife habitat subcomponent of the Rangeland Land Use (Post -2008 <br />reclamation). <br />At least four native* perennial species, each more than 3% composition, minimum of two of which <br />are grasses and a minimum of one which is a forb, with the following caveat; <br />If no single forb species exceeds 3% composition, the forb requirement can be met if- <br />a) <br />fa) at least two native* perennial forbs combined comprise at least 2% composition, or; <br />b) at least four native* perennial forbs combined comprise at least 1% composition. <br />The dominant species will contribute to the appropriate structure and stability of the postmining <br />vegetative community to insure that the postmining land use as addressed in Section 4.16, Post - <br />mining Land Use, will be sustained. <br />The seed mixture in Section 2.05 on Table 7, Reclamation Seed Mixture, or MR -59 dated 9/10/02) <br />or other approved seed mixtures contains the desired species to achieve the goal of species <br />diversity in the postmining area. These mixtures contain grasses, forbs and shrubs capable of <br />establishing vegetative communities that are capable of supporting the desired postmining land <br />use. <br />4.15.9 Revegetation Success Criteria: Cropland <br />Colowyo does not plan to return any of the mined area for use as cropland; therefore, the <br />requirements of this Subsection are not applicable to Colowyo. <br />* The limitation to "native" status will not apply to introduced (and CDRMS approved) taxa specifically planted for an approved <br />use (such as Orchard grass or Cicer milkvetch). <br />Rule 4 Performance Standards 4-75 Revision Date: 5/25/18 <br />Revision No.: RN -07 <br />