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<br /> <br />EXHIBIT U - Mining Plan <br />1st Stage - Topsoil removal and stockpiling by motor scrapers. <br />• 2nd Stage - Gravel & Sand Piaterial excavated by front end loaders and processed <br />through crushing and screening plant. <br />3rd Stage - Replacement of topsoil and sloping of banks and leveling of pit floor <br />to drain. <br />4th Stage - Seeding of area. <br />No water diversion or impoundment will be done. Surface of excavated area +eill <br />drain in same manner as before excavation. The excavation area now being operated <br />in is approximately 11 acres. This has been excavated in the past 3 years. Tde <br />plant to maintain approximately the same size operating area and replace the stock- <br />piled topsoil in the excavated area as we continue excavation. It would appear <br />that approximately 3 acres per year will be excavated and 3 acres graded and top- <br />soiled per year. Since there is 20 acres to be mined it would take 6-7 years for <br />completion. <br />The gravel strata is from 15' to 20' in depth with approximately 3' of topsoil and <br />overburden and rests on the Pierre shale formation. <br /> <br />D ~ r 1 3 1977 <br />fri!,+!EO LApJO RECLP.~ATiON <br />Cole. Uent. of Watura! F?eso::rces <br /> <br />