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EXHIBIT D <br />• MINING FLAN <br />INTRODUCTIONq The mining of this large and complex tract of sand <br />deposit is an understandably difficult and complex matter, The <br />procedures to be used are essentially the same throughout the area, but <br />the order and sequence is complex. The presence of the Fountain Mutual <br />Ditch causes additional complexities not to mention the complexities <br />caused 6y the presence of Academy Boulevard and the steep slopes along <br />that major highway. <br />As a brief overview, most of the mining will occur to the east of <br />Academy with only a little occurring west of Academy. Basically, the <br />area west of Academy is reserved for the processing of the materials. <br />The materials are transferred from the east side of Academy to the <br />processing plant by truck or conveyor. The route of transport is <br />• through an existing concrete "culvert" under Academy Boulevard. This <br />route has been used for several years and is very successful. The <br />"culvert" will remain after the operation is completed. <br />There is a small amount of material present on the west end of the <br />processing area and this aaterial will 6e removed as the need arises. <br />This material, unlike that east of Academy, is primarily the gravels <br />which generally occur under the sand deposit. It is a rather high <br />quality gravel, but is of limited supply. Most of the excavation of <br />this material will occur in existing cuts through the fine overburden <br />material which is a menagerie of substances ranging from topsoil to <br />waste materials dumped by various persons. <br />East of Academy, the situation is completely different. The deep <br />• sand deposits will be excavated initially in lifts and then along a <br />working face that will move about the area removing sand and producing <br />F'A6E 1 OF it - EXHIPIT D <br />wren-+.,....~.ti:....: ~ =' <br />