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s `I Mr. Scott Johnson -2- September 8, 1981 4. What is the total approximate thickness of the gravel deposit (is this a relic terra•~e deposit?) and the nature of the stratum immediately beneath the material to be mined (Rules 2.I2(9}(f)(i))? S. What is the approximate depth to the water table? Exhibit E - Reclaration Plan I. We recommend re visinq the seed mixture to the following: w i 3L Species Crested Wheatbra:ss R USSi all Wildrye Pubescent Wheatgrass Blue Grama Western Wheatgrass Yellow Sweetclever 1 2 I4 lbs. 28 lbs. 2. Seed during late summer (see SCS recommendations). LBS Pure Live Seed/Acre Drilled Broadcast 3 G 3 6 2 4 1 Z 4 8 3. Disc topsoil and subsoil to a depth of 6" to help provide for soil binding and root penetration. 4. The mulch requirements recommended by the SCS are adequate. However, the mulch should be mechanically crimped into the soil to be effective. 5. I suggest you change your goal of reclamation from wildlife to range- land, as the area and reclamation will probably be most suited for the latter use. 6. Because this is a very arid site, and vegetation wi1I be difficult to establish, how about committing to periodic watering or some type of irrigation? h~~ r £ h, ~~~ , ~ ,.y vwy ,~ '.A tia .ry,. ~s~ n'. 7. Wi1I fertilization be required for this site? Exhibit L - Reclamation Costs You did not submit Exhibit L. Therefore, 7 propose the costs be set at 51,200/acre or 529,000 for the ZO acres. If you wish to submit an itemized List of such costs (grading, seeding, etc.) showing how much it would cost to contrac+= out such efforts, that will also be acceptable. In any event, the bond figure to be recommended to the Board will be set at one of these two sums. Enclosed is a corporate surety bond form for your convenience.