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DGMC DEN OFFICE III II~IIIIIIIIII III <br />• Hespernusg CO 873261,I~I~LI fLE COPY 999 <br />,,~y j3 ,1998 FILE: M-86-o~6 <br />Division of Minerals and Geology <br />1313 Sherman Street, Room 215 <br />Denver, Colorado 80203 <br />RECEIVED <br />JUL 2 71998 <br />e <br />R~`~'~ed <br />Perntittee Name: DGMC <br />Permit No: M-86-076 <br />Operation Name: Incas Mine <br />Anniversary date: 12/31/97 <br />J(l L 1 ~ 1998 <br />04 <br />D• ~a <br />~g/~R 0)~e ~ & Gep <br />Re: Water sample compliance monitoring analysis results for attachment to 1997 annual report °8Y <br />The laboratory results of compliance monitoring water samples for 1997 are attached. These <br />samples and baseline monitoring samples were analyzed by Hazen Research, Inc. of Golden, <br />Colorado. The compliance monitoring water samples are part of the amended permit requirement <br />llncas Mine Amendment AM-002) for both surface and underground water. The 1997 compliance <br />water samples have the following sample identification: <br />location & number location & number <br />underground water surface water date sample <br />year Adit 1 Lower Compliance taken <br />1997 97111001 97111002 Nov 10,1997 <br />Water sample identification is by 8 digits of numbers. Digits 1 & 2 indicate the year. Digits 3 & 4 <br />indicate the month. Digits 5 & 6 indicate the day of the month. Digits 7 & 8 indicate the sample <br />number taken on that date. <br />The underground water sampling location is in an old mine adit located underneath the mine <br />permitted area with the entrance to the adit at the lower portion of the mine permit area. This is <br />Adit 1 as identified on Amendment AM-002 Exhibits. This Adit 1 is also the source of water used <br />in ore processing. The surface water sampling location is located downgradient of the surface mine <br />permit area in Little Deadwood Gulch. <br />Attached are the following compilation of laboratory results of the water sample analysis and each <br />laboratory analysis of the 1997 compliance monitoring water samples: <br />1 . compilation of sample results for underground water, file #dmg-1 \dgmc 7 5/13/1998 <br />2. compilation of sample results for surface water, file #dmg-2 \dgmc 7 5/13/1998 <br />3. Report of Analysis, sample identification: 97111001, Hazen Research, Inc. <br />4. Report of Analysis, sample identification: 97111002, Hazen Research, Inc. <br />There are 2 copies of this addition to the 1997 Annual Report enclosed with both copies being sent <br />[o the Durango office of the Division of Minerals and Geology. <br />ao~ ,~/,~ <br />Bob Hill <br />DGMC, Incas Mine <br />anrpt297 \dgmc 7 5/13/98 <br />