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1. Cover — <br />The success standard for irrigated pasture is based on the irrigated pasture <br />reference area. The reference area is located east of the NH2 permit area on land <br />owned by ERMR (see Maps 2.05.4(2)(e)-1 and (e)-2). Successful cover <br />establishment will be demonstrated when live vegetation cover on the reclaimed <br />area is not less than 90% of the reference area cover, with 90% statistical <br />confidence, in accordance with applicable requirements of Rule 4.15, and as <br />described in Section 2.05.4(2)(e). <br />The cover success standard for dryland pasture is based on dryland pasture <br />reference area located west of 2700 Rd and north of Tuttle Draw (see Map <br />2.05.4(2)(e)-4). Successful cover establishment will be demonstrated when live <br />vegetation cover on the reclaimed area is not less than 90% of the reference area <br />cover, with 90% statistical confidence in accordance with applicable requirements <br />of Rule 4.15, and as described in Section 2.05.4(2)(e). <br />The cover success standard for cropland is based on the cropland reference area <br />located on the south side of the Morgan property (see Map 2.05.4(2)(e)-3). <br />Successful cover establishment will be demonstrated when live vegetation cover <br />on the reclaimed area is not less than 100% of the reference area cover, with 90% <br />statistical confidence in accordance with applicable requirements of Rule 4.15, and <br />as described in Section 2.05.4(2)(e). <br />2. Production — <br />The irrigated pasture production success criterion is at least 90% of an adjusted <br />reference area mean production value. The adjustment of the reference area mean <br />is to correct for differences in productivity associated with pre -mining soil types <br />in the affected area and was developed in consultation with NRCS (see letter in <br />Attachment 2.05.4(2)(e)-11). The premining soil type delineations that will be <br />used for reference area production adjustments are depicted on permit Map <br />2.05.4(2)(e)-1. <br />The success standard for dryland pasture areas will be based on comparison to <br />herbaceous production in the dryland pasture reference area. Success will be <br />demonstrated when herbaceous production within the bond release parcel is not <br />less than 90% of the dryland pasture reference area mean, with 90% statistical <br />confidence. <br />The success standard for cropland areas will be based on comparison to herbaceous <br />production in the cropland reference area. Success will be demonstrated when <br />herbaceous production within the bond release parcel is not less than 100% of the <br />dryland pasture reference area mean, with 90% statistical confidence. <br />