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1.0 INTRODUCTION <br />This report, 'Deserado Mine Thirteenth Annual Hydrology Report' is submitted to the Office of Mined <br />' Land Reclamation in fulfillment of requirements outlined in a letter and attachments dated October <br />10, 1984, from Mr. Dan Mathews of what was then the Mine Land Reclamation Division. This report <br />presents the hydrologic data and analysis resulting from the Deserado Mine hydrologic monitoring <br />' program for the period October 1, 1996 to September 30, 1997. <br />' The purpose of this Annual Hydrology Report is to describe the present hydrologic conditions in the <br />Deserado Mine area in relation to the baseline hydrologic data in order to: <br />' • Define trends in the hydrologic parameters. <br />• Determine what impact development of the Deserado Mine has had on the hydrology of <br />' the area. <br />• Determine what mitigative measures should be undertaken in the future. <br />• Predict future impacts on the hydrology of the Deserado Mine area. <br />This annual hydrologic report has been organized into three major sections. Section 1.0 is the <br />introduction, Section 2.0 is a summary of the hydrologic data collected this monitoring year and <br />' Section 3.0 summazizes observations from the monitoring program in relation to development of the <br />Deserado Mine. <br />' The Deserado Mine underground fire of January 31, 1996 and subsequent sealing of the <br />underground working district required that Blue Mountain Energy (BME) accelerate the B-Seam <br />development and mining. As per the technical revision no. 40 approved by DMG in June, 1996, BME <br />is required to do fhe following: <br />' • Sample and analyze bedrock groundwater holes in federal leases C-8424 and C-8425 for <br />the parameters listed under alluvial once prior to entering the lease for mining and once prior <br />t to the wells being mined out or bond release. Sampling will be limited to the middle facie <br />zone. The initial sampling and analysis of these bedrock holes were completed during this <br />water year. <br />' • The holes in C-8424 and C-8425 will be monitored for water level depth two times (spring <br />' and fall) per year. Such program was initiated. <br /> <br /> <br />' 1 <br /> <br />