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i III Illllllllllll 111 ~ <br />999 <br />October 27. 1994 <br />Mr. Gary Curtiss <br />State of Colorado <br />Division of Minerals and Geology <br />1313 Sherman Street, Room 215 <br />Denver. Colorado 80203 <br />AF~F1~~U <br />ACT <br />DN~sion o/M;nera~8 19~ <br />4 Gep~09Y <br />RE: PERMIT #M-87-049 HYDROLOGICAL STUDY <br />Dear Gary: <br />We at Ready Mixed Concrete Company are writing this letter with the enclosed data to <br />confirm that as of this date we have started a well monitoring program. <br />Wells #2 and #3 sit at a datum elevation that is roughly twenty (20) feet lower than the <br />rest of the wells to give corresponding higher water levels. Well #2 is the only one down <br />gradient of alluvial water flow. The rest sit in a boundary area between the°mine site and the <br />City of Brighton residents. <br />Well #1 was not accessible for depth measurements, however, the owner said the well <br />has experienced no drawdown in the past. This well is owned by Tony Trevena and is <br />tested by Tri County Health on a quarterly basis for potability and has not experienced any <br />significant chemical changes in the recent past. <br />The readings on these wells will serve as the baseline for our hydrological study and <br />monthly readings will be taken and reported to the MLRD for the next several years. <br />Based on historical information obtained from the well owners, we feel it is evident that <br />ground water in this area has not been significantly affected, it at all. Please contact us if <br />there is any further information you require. <br />Sincerely, <br />/~ l <br />Gerrit L sing <br />Enviro ental/Reg tory Engineer <br />GL/sh <br />Enclosure <br />4395 WASHINGTON <br />P O. BOX 2290 <br />DENVER, CO 80201 <br />(303) 292-1771 <br />