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<br />Carol Russell <br />-2- <br />June 10, 1983 <br />Vegetation - Rules 2.04.1 U, 2.05.4 and 4,15 <br />Hdequacy questions: <br />1. How many acres of previously mined land and how many acres of <br />pinyon-juniper woodland are in the surface disturbance area? <br />2. Provide a vegetation snap, pursuant to Rule "L.U4.10(1), showing the <br />vegetation communities. <br />3. Since most of the area is classified as previously mined land, it is <br />necessary to develop a reclamation standard, per Rule 4.15.10(1). Therefore, <br />the standard will oe based on the ground cover that can be supported by the <br />yrowth medium and the ground cover that is adequate to Control erosion. An <br />analysis of the revegetation yrowth medium is needed and an estimate of the <br />~ninimu~n ground cover needed to control erosion on the reclaimed hillslope is <br />necessary to establish the success standard. <br />4. The applicant has not adequately described the seeding and planting <br />methods. In what season will the area be seeded? Four different seed mixes <br />are presented. Which one is proposed? The text says seed mixtures will be <br />,applied at the rate of fifteen pounds per acre and seed will be applied by <br />broadcast methods. Using uroadcast methods, seed should be applied at thirty <br />pounds per acre. Fifteen pounds would be adequates for drill seeding. <br />Therefore, the applicant needs to clearly explain, in the text, the time of <br />year for seediny, the proposed seed mixture and the appropriate seeding rate. <br />As a yuide, the following mixture and rate would be satisfctory. <br />Type PLS Lb s./Acre <br />Cicer Milkvetch 1.0 <br />Sideoats Grama 6.0 <br />blue Grama 1.0 <br />St rearnbank Wheatgrass 4.0 <br />Western Wheatyrass 2.0 <br />Fourwing Saltbrush 4.0 <br />Indian Riceyrass 4.0 <br />Green Needle Grass 2.0 <br />Mountain Mahogany 4.U <br />Wi nterf at 4.0 <br />Total PLS Lbs./HC re 32.27 <br />5. The application states that seed mixtures may be modified as <br />reclamation progresses to achieve desited results. The applicant should be <br />aware thatpl; if a chanye in the approved seed mixture is needed, a revision <br />must be submitted to the Division for approval. <br />