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During revegetation success monitoring, the various disturbance <br />areas will be compared to [wo reference areas. Comparisons may be <br />on an acreage-weighted basislat the discretion of the Operator. <br />Greasewood zones will be compared to the 1999 Greasewood <br />reference area presented in Appendix 10-4. Shadscale zones will be <br />compared to the Shadscale reference area located near the Roadside <br />South Portal. This reference area has variable slope and aspect so as <br />to serve as a reference area for all of the reclaimed Shadscales zones. <br />The separation between Greasewood and Shadscale zones is <br />primarily related to slope and elevation. These separations were not <br />marked prior to disturbance for most of the mine site, but generally, <br />low elevations with little or no slope are Greasewood zones. The <br />construction of refuse piles covers areas that were once Greasewood <br />with slopes and uplands which will be evaluated against the <br />Shadscale reference area. The bottom land along Coal Canyon <br />below the toe of the refuse piles will be evaluated against the 1999 <br />•~ I Greasewood reference area. This will include Cameo Borrow Areas <br />(CBA) 2, portions of CBA 1 below approximately 4820' elevation, <br />portions of Roadside North Portals (RSN) areas below <br />approximately 4810' elevation and areas around Ponds 6, 10 and 11. <br />The upper portions of CBA 1, Topsoil Stockpiles 5 and 6 and RSN <br />will be evaluated against the Shadscale reference area. <br />~~~ <br />14-25 (Rev. 9/01) <br />l~ 3 ~ <br />