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iii iiiiiiiiiiiii iii <br />ss~ <br />-~ <br />BASIN <br />RESOURCES, one. <br />a subsidiary of ENTECH, Inc. <br />• <br />R r(~r--`i~l ~_~ <br />SEP ~ 8 1997 <br />Mr. Kent Gorham <br />Slate of Colorado <br />Division of Minerals & Geology <br />1313 Sherman Street, Room 215 <br />Denver, Colorado 80203 <br />~~ <br />September l6, 1997 <br />Re: Gotden Eagle Mine Permit No. C-81-OI3 <br />Technical Revision 46 -Subsidence Monitoring <br />Response to Division Review <br />Deaz Mr. Gorham: <br />14300 Highway 12 <br />Weston, Colorado 61091 <br />(719)868-2761 <br />Purchasing (719) 868-2768 <br />Fax (719)868-2275 <br />Basin Resources is submitting the following information in response to Division review of Technical <br />Revision 46, submitted to the.Division on May 30, 1997. - <br />Map l7 has beearevised to show the NW3 West End monuments. Monitoring stations have been <br />color coded to differentiate between those stations to continue to be monitored and those which <br />will remain, but monitoring will be suspended. <br />NW3 West End monitoring stations 1-10 will continue to be monitored; monitoring will be <br />suspended for stations I l-I8. <br />2.. Table 2tiB has been revised to list stations 36-56 as Th'vd North Monuments. <br />3. Zamora Canyon monitoring stations 1A-25A will continue to be monitored; monitoring will be <br />suspended for stations 26A~4A. Table 26C has been revised to conform to this. <br />4. C-1 of the Santistevan Canyon Survey Line will continue to be surveyed. Table 26D has been <br />change to conform to this. <br />5. Pages 2.05-54 through 56 of the permit have been revised to reflect cessation of mining operations <br />and its affect on subsidence monitoring requirements. <br /> <br /> <br />