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3.4 Cameo Borrow Area No. 2 <br />Ground cover of the Cameo Borrow Area No. 2 consisted of 44.2% live vegetation, 6.8% rock, <br />29.7% litter, and bare soil exposure of 19.3%. Perennial cover across the unit averaged 22.1% with <br />annual and biennial cover also averaging 22.1%. Dominant taxa were cheatgrass, fourwing saltbush, <br />forage kochia, and greasewood with 22.0%, 9.7%, 8.7%, and 3.2% average cover, respectively. This <br />unit fails the revegetation success criterion of 90% of the Greasewood Reference Area value when both <br />annual and perennial cover values are combined. However, it passes when only perennial cover is <br />compared. <br />The Cameo Borrow Area No. 2 currently passes only two of the four diversity standards. There is <br />sufficient cover of perennial forbs or sub-shrubs to pass the required minimum values, and there are no <br />planted species with greater than 70% relative cover. However, the present relative cover of perennial <br />warm-season grasses (0%) and perennial cool-season grasses (0.45%) is insufficient to pass the <br />required minimum values (2.0% and 0.5%, respectively). <br />3.5 Cameo Topsoil Piles <br />Ground cover of the Cameo Topsoil Piles consisted of 54.0% live vegetation, 7.0% rock, 30.8% <br />litter, and bare soil exposure of 8.2°k. Perennial cover across the unit averaged 17.5% with annual and <br />biennial cover averaging 36.5%. Dominant taxa were cheatgrass, fourwing saltbush, little barley <br />(Criterion pusi//um), and shadscale with 29.3%, 15.3%, 7.1%, and 1.5% average cover, respectively. <br />This unit fails the revegetation success criterion of 90% of the Greasewood Reference Area value when <br />both annual and perennial cover values are combined. It also fails when only perennial cover is <br />compared <br />The Cameo Topsoil Piles currently passes only one of the four diversity standards: there are no <br />planted species with greater than 70% relative cover. The present relative cover of perennial warm- <br />season grasses (0%), perennial forbs or sub-shrubs (0%) and perennial cool-season grasses (0.37%) is <br />insufficient to pass the required minimum values (2.0%, 0.5%, and 0.5%, respectively). <br />3.6 Cameo Borrow Area No. 1 <br />Ground cover of the Cameo Borrow Area No. 1 consisted of 52.4% live vegetation, 6.4% rock, <br />27.5% litter, and bare soil exposure of 13.7%. Perennial cover across the unit averaged 17.2% with <br />CEDAR CREEK ASSOCIATES, INC. Page 15 SNOWCAP COAL COMPANY <br />Revegetation Evaluation - 2006 <br />