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between 40 and 70 percent less than 2 Ran. particle size is the <br />goal. The surface will have between 30 and 40 percent cover of <br />rocks and stones larger than 4 inches. With this amount of <br />cover, the mulch value of the rocks is expected to be highest <br />without seriously restricting the amount of surface available for <br />plants. The operator has been advised that these requirements of <br />soil depth, texture, and rock cover for mulch value have been <br />shown to be good in other areas of like conditions. It is not <br />expected this site will be an exception. It should be noted from <br />the vegetation maF that no salvageable soils will be encountered <br />until mining is into the second stage (see map exhibit J-1). In <br />such an envircnn:ent, good grovrth can l;e achieved in 5 to 10 years <br />after planting ichen adapted species arr--: used. <br />~yvec_e.t.aliotl~ Revegetation of the site v:ill be difficult <br />and slow but should be successful in returning the lend to a good <br />cover capable of producing n;aterial in an amount comparaLle to <br />lire-mining amounts. The seed mixture used should be diverse. It <br />should be capable of surviving drought, growing in low-quality, <br />coarse soils and in a vride variety of moisture regimes. The seed <br />mixture will have to be broadcast because drilling in rocky soils <br />is almost impossible to do well. The quantity of seed broadcast <br />will be relatively high as most seed vrill not land in suitable <br />environments. <br />19 <br />