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6.4.4 Exhibit (D) Mining Plan <br />EXIT "D" <br />Mining Plan <br />All areas to be mined are considered high and dry with no groundwater to be encountered during <br />mining. The deposit ranges from 20 feet deep to possibly 25 feet deep. <br />Excavation is to be an open pit with the use of standard mining equipment used for such <br />operations, eg. scraper, dozer, wheel loaders, excavators. However, other types of equipment <br />may be employed in the future. <br />Processing will take place on site in order to size by crushing and screening, and some reject <br />material will be used for fmal reclamation. <br />Mining will be conducted in such a way as to facilitate reclamation, such as pushing slopes to a <br />3H:1 V. Reclamation will follow in a timely manner once an area is deemed mined -out. Seeding <br />and final grading will be to a final reclamation use of rangeland, which the landowner has <br />prescribed. <br />The following will address the items listed under Rule 6.4.4 - Exhibit D - in order of appearance: <br />Please see Mining Plan Map for more information and correlations. <br />6.4.4 <br />(a) Like similar open -pit sand and gravel operations, this pit will be stripped of the available <br />topsoil (growth medium) by earthmoving scrapers and loaders, and will be saved and placed <br />along the areas bounding the mining areas and left in place until needed for re- topsoiling. These <br />topsoil stockpiles will be seeded to reduce soil erosion. <br />(b) All earthmoving will be done by mining equipment suitable for this type operation, <br />including the following types: crawler dozer, wheel loaders, earthmoving scrapers, excavator, <br />and haul trucks of various sizes up to and including haul units with a 20 -ton capacity. <br />(c) The only water diversions would be for stormwater management to keep all stormwater <br />from running into or off site, and for erosion control. No water impoundments are planned at <br />this site. <br />(d) The proposed mining would be done in the direction shown on the Mining Plan Map - <br />Exhibit "C" of this application. The area disturbed would not exceed 15 more or less acres at <br />