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MINERS INC. <br />CONSTRUCTION SPECIALISTS <br />MINING and CIVIL PROJECTS <br />Division Of Minerals & Geology <br />1313 Sherman Street, Room 215 <br />Denver, Colorado 80203 <br />Attention: Ms Erica Crosby <br />iii iuiiiiiiiiu iii <br />999 <br />DECEIVED <br />FEB 23 1994 <br />~~~7.i0t1 C! 49iRBr2'g d liPOl.^.nv <br />February 22, 1994 <br />Re: Changes made to blasting submittal dated February 7, 1994 <br />Dear Ms Crosby: <br />A few minor changes and adjustments .were made to subject blasting plan. <br />These are listed as follows: <br />1. Drill pattern was changed from the planned 18" x 18" to 20" x 20" <br />after test blast results on truck bin wall were analyzed. <br />2. Shock Star surface delays were replaced with Primadet.NTD, These . <br />are essentially the same product made by different manufacturers. <br />The Ptimadets are made by Ensign-Bickford Company. A product <br />information sheet is enclosed, <br />3. Drill hole diameter was changed from the planned 1.5" to1,375". <br />4. Primacord 40 grain trunk lines were replaced with 15 grain Lite Line. <br />Yours very truly, <br />D.W. Weddell, President <br />9137 E. Mineral Circle <br />Englewood, Colorado 80112 <br />Phone: 303!790-4840 • FAX 303/790-4850 <br />