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Stockpiles of Product and Overburden <br />(Construction Materials Rule 3.1.5 and 3.1.10 (4)) <br />As previously mentioned and shown on Map S, there is a 1.95 acre area <br />designated for storage and pit operations (e.g. crusher, batch plant). Within <br />that area there is a strip of mature sagebrush and vegetation that is <br />approximately 0.49 acres that effectively reduces usable area to 1.49 acres. <br />It is suggested that the mature vegetation not be disturbed if possible <br />(Appendix F, Photos F244). During periods of operations the storage area <br />could be disturbed and as such it might cause an increase in weedy species. <br />We suggest seeding any areas where the mature vegetation is disturbed (see <br />Table 5). <br />Long-term stockpiles of top -soils and sub -soils (overburden) should be <br />seeded and monitored for weeds. Rock product stockpiles should be <br />monitored for weeds and treated accordingly. The following sections discuss <br />monitoring (Appendix B also shows monitoring schedule). <br />It is understood that with the dry climate and poor soils, seeding of long- <br />term stockpiles and overburden may not produce an optimal cover of <br />vegetation. But we believe that some covering will increase soil tilth, reduce <br />weeds, and help prevent erosion. <br />Weeds and Temporary Seed Mixes <br />(Construction Materials Rule 3.1.10 (1), (4)) <br />Weeds may reduce the overall effectiveness of a final reclamation and invade <br />surrounding areas of the Vista Del Sol Ranch. Weeds in a heavy enough <br />concentration will reduce range land production of forage. Soils disturbed by <br />pit operations can promote the invasion of weedy species, thus control of <br />weeds is of concern to the ranch operation. <br />311 Page <br />E: R KAVILL GRAWL E'I1 � I)1 1 i)lL 5, 4. RA'NC'I I <br />1.� . I.KI 1 I N\111V ;N;%,11 N VAL AND AUUNI 1(;S - L1'lVW(At1 11 BASINi NV 11. CONI <br />