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4) What will the final grade of the reclaimed slopes be (horizontal:vertical): 3.2 :1 <br /> (Note: If the Applicant proposes slopes steeper than 3H:1 V(example 1 H:1 V, 2H:1 V, etc.), <br /> please include a justification and a description on how the slope will be stabilized: <br /> a. Please provide a general description of the backfilling and grading: <br /> Overburden and excess borrow materials will be placed to backfill benches and graded <br /> to a 3.2:1 reclaimed slope prior to placing topsoil. Topsoil will then be placed. <br /> 5) Depth of topsoil to be replaced (check one): <br /> SI 4-6 inches ❑ 6-8 inches <br /> n 8-10 inches C1 10-12 inches <br /> E l Other: <br /> n N/A, explain: <br /> 6) Explain how the seedbed will be prepared to eliminate compacted conditions: <br /> The seedbed will be scarified and roughened immediately prior to seed placement to ensure <br /> the topsoil is not in a compacted condition. <br /> 7) Please provide a seed mix recommendation from the local office of the Natural Resources <br /> Conservation Service (specify the quantity of each grass and forb species as pounds of pure <br /> live seed [PLS] per acre) or pick a seed mix from the following list that best represents the <br /> climate zone at the mine; (check one): <br /> a. n Dryland Quick Establishment <br /> This general seed mixture is a combination of drought tolerant and adaptable grasses,which <br /> can establish quickly to control erosion. This mix is ideal for sites with an elevation less <br /> than 8,000 feet and is adapted to arid conditions. <br /> Seed Species Scientific Name PLS Application <br /> Mix Rate <br /> Intermediate Wheatgrass Thinopyrum intermedium 2.50 <br /> Slender Wheatgrass Elymus trachycaulus, 2.00 <br /> Grasses <br /> Pubescent Wheatgrass Thinopyrum intermedium 3.00 <br /> Russian Wildrye Psathyrostachys juncea 3.00 <br /> Western Wheatgrass Pascoprum smithii 2.00 <br /> Sand Dropseed Sporobolus cryptandrus 0.25 <br />