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<br />acceptable cost, and more importantly, for maximum available use area of the remaining <br />reclaimed terrace by maintaining steeper back-slopes. Regardless of the decisions made in <br />the t l 1 application, it has been shown (see Exhibit E, Pp. 15-16) that the 2:1 slopes aze ... <br />a. appropriate to the surrounding topography for range grazing operations, and since <br />no crop tillage is necessary and the slopes are located at the landowner's property <br />boundary, there is no particular need for traversal by farm machinery; <br />b. are stable against slide and sloughing hazards, as evidenced by numerous hazard- <br />free excavated headwalls in surrounding operations which have yet to be shaped <br />and slope-reduced; <br />c. that a great deal of the naturally occurring slopes in the vicinity of the regional <br />gravel bench are at least that steep (see slopes marked on the Soils Map), support <br />natural vegetation, and with intensive re-vegetation practices are capable of being <br />established with suitable vegetative growth and protected from erosive forces; <br />d. being located in a region of sparse rainfall and without significant up-slope <br />contribution of surface runoff, the back-slopes endure very minimal surface <br />runoff erosion effect. <br />18. Even waste asphalt from asphalt production at the site, is a valuable commodity with <br />utility. Preliminary and final batch reject is utilized for access road maintenance. <br />Due to this conservation of resources no waste asphalt stockpiles shall be allowed <br />accumulate, thus consideration in reclamation cost is not applicable. <br />19. The 6-inch topsoil depth specified is expected to be the maximum available for <br />replacement, and shall range from 3 to 6 inches. <br />20. Closer examination of the existing soils, as explained in Item 5 above, has revealed <br />less available topsoil at the site than originally assessed for the 111 Permit <br />application. <br />21. Originally no ponds were planned on-site under the 111 Permit for previous state <br />highway material contract fulfillment. More current plans for various washed <br />material production, however, will require wash and abatement water resource <br />availability on site. Discussions with the landowner produced a plan whereby his <br />irrigation water may be allocated for temporary industrial use by pumping it from a <br />ditch at lower elevation. Following gravel production operations the landowner <br />wants use of the ponds for continued off-site ranch irrigation operations. The Exhibit <br />E "no ponds" remark was intended to indicate no significant natural surface water <br />