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• d = desired level of reduction about the sample mean (0.10) <br />x = sample mean <br />In all cases, sampling was continued until the minimum sample adequacy requirements were met or <br />exceeded. <br />Results <br />Table 1 represents cover and frequency for area NH1-A, Year One, 2004 <br />Area NH1-A <br />2004 -Area NH1-A had 21 percent bare ground, 29 percent litter, 0.4 percent rock fragments, 2.4 <br />percent annual forbs, 28 percent perennial grasses, 1.3 percent perennial forbs, and 7 percent <br />perennial shrubs for a total of 29 percent perennial live vegetation. Detailed results listed by species <br />occur in Table 1. <br />Nand Pasture Reference Area <br />2004 - Dryland pasture reference area had 50 percent bare ground, 34 percent litter, 5 percent rock <br />fragments, <1 percent annual grasses, <1 percent annual forbs, 2 percent perennial grasses, 6 <br />percent perennial forbs or succulents, and 2 percent perennial shrubs for a total of 10 percent <br />perennial live vegetation. Detailed results listed by species occur in Table 2. <br />Noxious and Restricted Weeds <br />• In reclaimed vegetation area NH1-A, Colorado noxious weed species accounted for 12 percent of <br />cover. The species that occurred are listed below and were scattered randomly throughout the <br />reclaimed vegetation area (Table 1). The species encountered were: <br />Erodium cicutarium <br />Salsola collina <br />Convolvulus arvensis <br />Centaurea reaens. <br />Page Three, Sept., 2004 <br />Reference Area Comparison to Bond Release Areas <br />i <br />