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III IIIIIIIIIIIII III <br />STATE OF COLC>>1~yU <br />DIVISION OF MINERALS AND GEOLOGY <br />Oi~panmem of Nawrol Resources <br />I } I 1 Sherman Sl.. Room ? 15 <br />Drover, Colorado 8020) <br />Phunc: l SO}I 86fi-356% <br />FAX: 111131 8}2-8106 <br />December 23, 1998 <br />Mr. William A. Bear Jr. <br />Bowie Resources Limited <br />Bowie No. 2 Mine <br />P.O. Box 483 <br />Paonia, Colorado 81428 <br />DEPAKTMENT OFw <br />NATURAL <br />RESOURCES <br />Fov Fnmrr <br />Governor <br />dames S. Lochhrad <br />E~eculne Dveanr <br />~wcharl B Lonp <br />Dimsmn U~reaor <br />RE: Inspection Follow up, Gob Pile, Bowie No. 2 Mine, Permit No. C-96-083, Bowie <br />Resources Limited. <br />Dear Mr. Bear: <br />The Division has reviewed the submittal dated December 18, 1998 by Jim Stover, which <br />included the tvo reports by Lambert & Associates dated December 15 and 17, 1998. The <br />two reports dealt with items nes. 2 and 4 of the Division's November 17, 1998 letter <br />concerning field density testin;* procedures and a plan for compaction testing of the lower <br />lifts. The Division has the following responses: <br />The Division has no further concerns. The explanation by Lambert & Associates <br />of their field density testing procedure is acceptable to the Division. <br />4. The Division agrees with the proposed testing plan for the lower lifts at the gob <br />pile, with the following conditions; <br />a. The Division concurs with the Lambert & Associates engineer, Mr. <br />Johnston, that difficulty may be encountered if large cobbles are <br />encountered. Mr. Johnston states that the sampling tubes may be bent and <br />compressed, but that this would result in conservatively low determinations <br />of in-place density. In fact, the tubes may actually collapse, resulting in no <br />specimen retrieval and therefore no density determination. However, this <br />method should be less destructive to the GOB pile. Therefore, BRL must <br />be willing to accept the risk of completing multiple auger installations, if <br />