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2768 Mo NREDRIVEINCTE 101 II IIIIIIIIIIIIIIII <br />, 999 <br />GRAND JUNCTION, COLORADO 81506 <br />PHONE: (303) 245-4101, FAX 242-7908 <br />BLUE RIBBON MINE <br />MAR 2 y ~s95 <br />March 25, 1995 ~~~~Sipgp~l~ eigs~~` <br />~Y <br />C. E. Johnston <br />Division of Minerals & Geology <br />1313 Sherman St., Room 215__ __ _ _ _ _ _ <br />Denver, Colorado 80203 <br />Re: Quarterly Bench Stability Monitoring; <br />Permit No. C-81-047 <br />Dear Ms. Johnston: <br />The first quarter 1995 bench stability survey was performed March <br />18, 1995. Vertical angles were measured with a 20 second <br />theodolite and elevations were calculated using predetermined <br />horizontal distances. A summary of this survey, the last two <br />surveys and the 11-20-85 base line survey is as follows: <br /> 11-20-85 09-19-94 11-15-94 03-18-95 <br />S-1 6400.90 6400.60 6400.58 6400.56 <br />S-2 6396.06 6395.88 6395.88 6395.81 <br />S-3 6385.77 6385.57 6385.55 6385.51 <br />S-5 6479.92 6479.53 6479.48 6479.48 <br />S-6 6480.51 6479.84 6479.80 6479.77 <br />S-7 6479.31 6478.96 6478.90 6478.87 <br />S-8 6479.92 6479.52 6479.46 6479.45 <br />Let me know if there are any questions concerning this data. <br />Sincerely, <br />Stover, P.E. <br />Chief Engineer <br />BENMON <br />