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• EXHIBIT C - MINING PLAN <br />Commencement and Duration of Mining <br />Given favorable economic factors, mine development and <br />preliminary mining will commence within one year of permit <br />issuance. Currently identified reserves would support mining <br />activity for approximately 30 years. <br />The estimated dates are from January 15, 1991 to January 14, <br />2021. <br />The estimated time to complete the processing and removal of the <br />existing mine dumps is 5 years. The approximate dates are from <br />January 15, 1991 to January 14, 1996. <br />2. Topsoil Salvage and Storage <br />No visible topsoil exists in this previously mined area. Surface <br />dumps that will be re-mined may have topsoil under them. If any <br />material exists, it will be amended as necessary to provide the <br />proper quality growth medium. If topsoil must be disturbed, it <br />will be salvaged to a depth of 12 inches ( or that designated by <br />• the Soil Conservation District), and utilized in reclamation as a <br />plant growth medium. In situations where the topsoil will not be <br />immediately reapplied after any removal, it will be stored in a <br />stockpile located at point M-21 on the EXHIBIT E Map. This area <br />offers protection from wind erosion and water drainage. The pile <br />will be seeded with the seed mix specified by the Soil <br />Conservation District to provide a vegetative cover to restore <br />the natural cover and further inhibit erosion. <br />3. Overburden and Waste Rock <br />The mining plan provides that overburden and waste rock will not <br />need to be removed in order to re-mine the existing surface <br />dumps. An aggregate product will be produced from the existing <br />surface dumps. The aggregate product will be commercially sold <br />and removed from the site. During the production of the <br />aggregate product and prior to the sale and removal, the <br />aggregate product will be stored on the site located at point M- <br />21 on the EXHIBIT E Map, and will not extend beyond the <br />boundaries indicated on the Map. <br />The underground operation will not require the disturbance of any <br />previously undisturbed overburden. The waste rock, if any, <br />required to be removed from the underground operation, will be <br />stored on the site located at points M-21 on the EXHIBIT E Map, <br />• and will not extend beyond the boundaries indicated on the Map. <br />Tine final disposition of the waste rock, if any, will be the <br />6 <br />