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} ~ DGMC <br />• PO Boy 96 <br />22181rrcas Mine Road <br />Hesperus, CO 81326 <br />• III IIIII~IIIIIIIIII <br />999 <br />September 20, 2000 <br />Division of Minerals and Geology <br />1313 Sherman Street, Room 215 <br />Denver, Colorado 80203 <br />~~~~~~~® <br />SEP Z Z 2000 <br />Permittee Name: DGMC <br />Permit No: M-86-076 <br />Operation Name: Incas Mine <br />Anniversary date: 12/31/99 <br />Division of Minerals and Geology <br />Re: Water sample compliance monitoring analysis results for attachment to 1999 annual report <br />The laboratory results of compliance monitoring water samples for 1999 are attached. These samples <br />and baseline monitoring samples were analyzed by Hazen Research, Inc. of Golden, Colorado. The <br />compliance monitoring water samples are part of the amended permit requirement (Incas Mine <br />Amendment AM-OD2) for both surtace and underground water. The 1999 compliance water samples <br />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 />1999 99121701 99121702 Dec 17,1999 <br />Water sample identification is by 8 digits of numbers. Digits 1 & 2 indicate the year. Digits 3 8 4 <br />indicate the month. Digits 5 & 6 indicate the day of the month. Digits 7 & 8 indicate the sample number <br />taken on that date. <br />The underground water sampling location is in an old mine adR located underneath the mine permitted <br />area with the entrance to the adit at the lower portion of the mine permit area. This is Adit 1 as identified <br />on Amendment AM-002 6chibits. This Adit 1 is also the source of water used in ore processing. The <br />surtace water sampling location is located downgradient of the surtace mine permit area in Little <br />Deadwood Gulch. <br />Attached are the laboratory results of the water sample analysis: <br />3. Report of Analysis, sample identification: 99121701, Hazen Research, Inc. <br />4. Report of Analysis, sample identification: 98121702, Hazen Research, Inc. <br />There are 2 copies of this addition to the 1999 Annual Report enclosed with both copies being sent to the <br />Denver office of the Division of Minerals and Geology. <br />~f~J l~ r c ~ <br />Bob Hill <br />DGMC, Incas Mine <br />anrpt992 l dmg 9/2D/00 <br />