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Exhibit D <br />1 <br />• MINING PLAN <br />The mine area as presently located within the Maverick <br />Placer has been subject to mining/quarry operations since <br />1950. Mining operations have occurred on an intermittent- <br />mineral demand basis. Today the gypsum and associated <br />minerals are extracted and removed on an irregular basis and <br />in Varying amounts. <br />The mining has occurred where the mineral has been in <br />contact (exposed) with the surface within the natural basin <br />area as shown on Exhibit "C" <br />At this present time, the mineral is being mined <br />intermittently and will be mined on the 4 seperate levels <br />within the quarry area as shown on Exhibit "C". <br />• Conventional open pit mining methods are being and will <br />continue to be employed in the operation. The mineral is <br />drilled, blasted and removed utilizing pneumatic track-drill <br />equipment for drilling, and dozers, front end loaders and <br />trucks for removal of the material. <br />Overburden and top-soil stock pile areas have been created <br />at the positions shown on Exhibit "C" during the last four years. <br />These stockpile areas wi17 be leveled and contoured and are <br />situated where they will not be subject to wind and water erosion. <br /> <br />"CONFTDENTIAL" Due to the confining topographic configuration <br /> <br />of the mine site, mineable mineral reserves within the present <br />major disturbance zone is estimated at 1,300,000 yards. <br />D-1 <br />