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III IIIIIIIIIIIIIIII- <br />999 <br />-~ <br />BASIN <br />RESOURCES, ~t,e. <br />a subsidiary of ENTECH, Inc. <br />RECEIVED <br />MAk ? b 1998 <br />Division of Minerals 8 Geology <br />March 12, 1998 <br />Mr. Kent Gorham <br />Colorado Division of Minerals & Geology <br />1313 Sherman Street, Room 215 <br />Denver, Colorado 80203 <br />Re: Golden Eagle Mine: Permit No. C-81-013 <br />Subsidence Survey Data <br />Dear Mr. Gorham: <br />14300 Highway 12 <br />Weston, Colorado 81091 <br />(719)868-2761 <br />Purchasing (719) 868-2768 <br />Fax (719)868-2275 <br />Enclosed is the subsidence monitoring data f r the ihvd and fourth quarters of 1997. a data for each <br />station has bee entered chronologically since t station was established. The data eet then shows the <br />movement that has occurred since the baseline surve , last surve a mutative movement in the <br />last twelve months. <br />Technical revision 46 approved the discontinuation of surveying of many stations. These stations are <br />indicated, and were not survey in the fourth quarter of 1997 (after the TR approval). <br />The first quarter 1998 survey is scheduled for the week of March 9th. This will provide one year (four <br />surveys) of data since TR-46 was submitted. A preliminary review of the fust three surveys indicates a <br />cessation of subsidence in most areas. This will be addressed by a future TR submittal. <br />Please call me if you have any questions or require additional information. <br />Sincerely, <br />i <br />~M~.~ -- <br />Ronald G. Thompson <br />Property Manager <br />Enclosures <br />