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<br />STATE OF COLORADO <br />DIVISION OF A1IN ERALS AND GEOLOGY <br />Dep, rlmenl of Natural Resources <br />141 1 Sherman Si.. Room 21 i <br />Urner•r, C uloq¢In Hfl!(I1 <br />Yhunc•: (3U}I 86G-35fii <br />FAX: U~ 31 B 32-81 D6 <br />October 24, 1995 <br />~~~ <br />DEPARTMENT OF <br />NATURAL <br />.RESOURCES <br />Roy Romer <br />Governor <br />tames 5. Lochhead <br />Esecmne D~reciur <br />Ms. Linda Ballard ,,,, n,,e,s Lr,np <br />170 Misty Vale ~,,r~.~,^.-,.,rn. <br />Boulder, CO 80302 <br />Re: Phil. Sheridan Lode, East-West Mining Corp, Inc., Permit No. M-88-081 <br />Dear Ms. Ballard: <br />As you have requested, please find enclosed two inspection reports filed <br />for the above referenced operation. Your primary concern expressed in <br />telephone conversations with Division staff, is related to the intensity <br />of blasting being conducted. Once the operator provides certain specific <br />information on the nature of the blasting at the site, the Division will <br />take steps to assure that the blasting related ground motions are below <br />the levels that would cause structural damage. You will be advised of the <br />limitations placed on the operation at that time. If you are interested <br />in gaining an increased understanding of the field of blasting related <br />ground motions, the references listed in the 10/11J95 inspection report <br />contain a great deal of information on the subject. <br />If you have any questions, or if I may be of further assistance, please <br />do not hesitate to contact me. <br />Sincerely, - <br />Allen C. .Sorenson <br />Reclamation Specialist <br />enclosure(s) <br />C:\WP51\SHE.RIDAN.CM2 <br />