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Exhibit D-Mine Plan Amendment <br /> • limestone replacement deposits; and <br /> • disseminated mineralization in porphyry veins. <br /> Initial mining will occur within the May Day No. 1 sandstone and limestone replacement <br /> deposits associated with the May Day Veins. These veins are found within the following <br /> Upper Jurassic geologic units: <br /> • lower part of the Morrison Formation; <br /> • Junction Creek Sandstone; <br /> • Wanakah Formation; and <br /> • Entrada Sandstone. <br /> The ore bearing units are underlain by the Dolores Formation(See Exhibit G-Geology). <br /> As necessary,whole rock samples will be obtained to determine if toxic or hazardous <br /> producing contaminants are of concern using the methods outlined in Exhibit D <br /> Attachment 1. <br /> 6.4.4(g) Commodities Extracted <br /> Gold and silver metal bearing ore and associated base metals are planned to be extracted <br /> and shipped off site for processing. <br /> 6.4.4(h) Incidental Commodities to Be Extracted <br /> No other incidental economic mining products will be mined. <br /> 6.4.4(i) Explosives <br /> Explosives will be used in accordance with the Blasting Report presented in the <br /> Geotechnical Exhibit Section 6.5.4. Based on this assessment, blasting within the permit <br /> area can occur without structural damage to adjacent manmade structures. <br /> 112(d)Permit <br /> May Day and Idaho Mine and Mill Application <br /> M-1981-185 <br /> Revised-03.08.2017 <br /> Exhibit D—Rule 6.4.4 Page 7 of 13 <br />