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<br />EXHIBIT B <br />Mining Plan <br />Mining methods will be left to the discretion of the Contractor. <br />The overburden will be removed to a depth of at Least 1.5' and stock- <br />piled in the plant and stockpile area. <br />The overburden stockpile will contain approximately 5000 yards and be <br />used as soon as mining is completed. <br />There will be no water diversion or impoundment and no significant <br />change in the drainage pattern. <br />When water is flowing in the unsealed irrigation ditches, it will seep <br />---~_ <br />into the bottom of the pit, temporarily,! As soon as irrigation ceases water <br />• will disappear into the dry gravel bottom of the pit and leave the pit in a <br />dry state. <br />Mining will start in the west facing east slope of the "old pit area" <br />and be worked eastward until 30,000 to 47,000 cubic yards of sand and gravel <br />are excavated. <br />The affected area covers 9.93 acres which does not include the permanent <br />access road shown on the map. <br />The material to be mined is sand and gravel, The section is over 10' <br />thick and is underlain by Tertiary age felsite rocks. <br />No groundwater or surface water rights are involved in the operation, <br />Timetable of Operations: <br />The project will begin in late fall or early winter and terminate by <br />~A <br />late Spring 1981. ~'~ <br />• ~ ' =~` <br />~r <br />r <br />IYL' l,^'[ - ~ r~ <br />~~~ ~J ^ <br />i` ~ <br />t <br />