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HO1~~TAIraE <br />GRANTB NM OFFICE <br />December 30, 2004 <br />Mr. Bob Oswald <br />Colorado Department of Natural Resources <br />Division of Minerals and Geology <br />70] Camino del Rio, Room 125 <br />Alan D. Cox <br />Manager-PAch <br />RECEl~E~ <br />JAN 9 1 2005 Re~~~~d <br />Division of Minerals aWtl t,enm{ty JA <br />N ° 6 zoos .~- <br />Durango, CO 81301 p <br />RE: ~ 2004ANNUALGEOTEC[~TICALREPORT~(M 1977-004HR) ` ~~~1 al on t Mno~ta ~ °togy <br />Dear Mr. Oswald: <br />Attached you will find the 2004 geolechnical report for the waste rock disposal areas at the <br />Homestake Pitch Reclamation Project The waste rock dumps were inspected monthly, except <br />when winter conditions prohibited access, in accordance with the recommended monitoring <br />program. The history of the rock dumps has been provided in previous annual reports and is not <br />repealed in taus discussion A site map with piezometer locations is provided as Figure 1. <br />Water levels in all waste rock dump piezometers showed seasonal fluctuations similaz to those <br />observed in past years. Visual inspections conducted in 2004 indicate stable conditions for the <br />Indian Creek and Tie Camp waste rock dumps. A chart with 2004 data is provided as Figure 2 A <br />chart with piezometers levels since 1996 is provided as Figure 3. As you had suggested in your <br />comments on the 2001 report we have labeled the Y-axis on these plots as depth In water from <br />ground surface for clarity purposes. <br />Please no6e that prior to October 2001, data was not obtained from piezome6er IC10600 due to the <br />presence of a gravel obstruction that blocked the passage of the piezometer. Detailed analysis and <br />presentation of the 2004 data from all peizometers is provided in the following pages. <br />If you have questions, please feel free to contact me in the Grants NM office (505) 287-4456 x17 or <br />via cell phone at (SOS) 400-2794. <br />Sincerely, <br />~~ <br />Alan D. Cox <br />Project Manager -Pitch . <br />cc: Rocky Chase -Warrick Management Corp. <br />Vem Kelso - Homestake Mining Company <br />Phillip De Aycker - AESLynx <br />NOME6TAKE MINING COMPANY OF CALIFp RNIq O P.O. BO%9B, GRANTB, NM B7CdC <br />TELE: (5051 287-4456 4 FAX: (SU5/ 287-9289 <br />