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EXHIBIT 5 <br />CONCLUSIONS <br />At the proposed CAM - Colorado LLC Unit Train Loadout Site, intensive vegetation studies <br />were conducted on three potential predisturbance vegetation types. A statistical summary of <br />this vegetation sampling is presented in Table 2.04.10 -2, Sample Adequacy Calculations. <br />Sample adequacy was achieved for total plant cover sampling at the 90 percent confidence <br />interval on the Greasewood Predisturbance and Greasewood Reference Areas and the <br />maximum sample sizes as agreed upon with DRMS prior to conducting the field sampling were <br />achieved for herbaceous production and woody plant density for the Greasewood <br />Predisturbance and Greasewood Reference Areas and for all parameters in the Wetland and <br />Riparian plant communities. <br />With respect to potential revegetation success standards, it was determined that the proposed <br />Greasewood Reference Area will be adequate for all of the proposed disturbance associated <br />with the Greasewood plant community and given the minimal extent of proposed disturbance to <br />the Wetland plant community (less than 0.5 acres cumulative) and absence of proposed <br />disturbance to the Riparian plant community, plant cover and herbaceous forage production for <br />all of the disturbance associated with these two minor vegetation types which will be reclaimed <br />to a Fish and Wildlife habitat postmine land use will be sampled as a single unit for comparison <br />to the Greasewood Reference Area at the time of final bond release. <br />20 <br />