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iii iiiiiiiiiiiuiii BATTLE MOUNTAIN RESOURCES, iNC. November 11, 1993 ~~101' 17 1993 Mr. Larry Oehler Division of Minerals and Geology !' 'a, 1313 Sherman Street, Room 215 ~ - ~oco~NVn~v Denver, Colorado 80203 Re: Battle Mountain Resources, Inc. (BMRI) - San Lui:~ DMG Permit No. M-88-112 Response to 9\30-10\O1\93 Inspection Report Dear Mr. Oehler: This letter is written as a comprehensive response to the Division's inspection report for the site visit conducted on September 30 and October 1, 1993. The following are significant corrections to the Divi:ion's written report: On pages 2a, 2b, and 2c, the mine identification and inspection date are incorrect. The San Luis Project }colds Permit No. M-88-112, and the inspection was conducted on September 30 and October 1, 1993. Observations Page 2a, paragraph 3, sentence 1 states: "Mr. Guyer states that he had been performing 1-..2 gradation analyses per day on material used for t:he compacted soil liner and drainage blanket, but that since the material is very consistent he is now running one per day." As outlined in the technical specifications, gradation testing is performed on a minimum of one sample per specified volume of material for each type of materia]. being placed;the number of gradation tests per day varies with the construction activities taking place. Page 2a, paragraph 3, sentence 2 states: "He is doing one permeability test per acre on the compacted soil liner and the results range from 7.06 to 108 cm/s with compactions of 97-101% (approved design permeabilities are 10.6 cm/s)." The approved design permeability of the compacted soil. liner is a maximum of 1 x 105 cm/sec. One in-situ permeability test is performed per acre of compacted soil liner; tYle results are ranging from 10° to 10-B cm/sec. A SUBSIDIARY OF' BATTI.F ~lOUA7A/N GOLD COMPANY P.U. BOX 310 S.4N LUIS, COLORADO 81 IS'_-0310 f719) 672336? FAX (719) 672-3363