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Mr. Peter V. 0'C for <br />Page 7 <br />September 23, 1985 <br />The ground water system to the east of the Hoosier Reef can be <br />characterized as a diffuse aquifer system. The water recharge is by <br />seepage through small joints and voids end intergranular spaces. The <br />movement of the water is very slow and shows little response to <br />changes in precipitation. When the discharge rate does rise a bit <br />during the spring runoff it is reflected in the amount of water that <br />can be observed flowing from mine edits in Akins and Cash Gulches. <br />The ground water that is present in these rocks probably migrates <br />downward and laterally through a northeast-southwest trending <br />fracture system. It does not, however, migrate through the Hoosier <br />Reef, and the use of these underground mine workings for water <br />storage will not disturb the prevailing hydrologic balance of the <br />surrounding area. The quality of water in these two separate sur- <br />face and ground water systems will also not be affected by storing <br />fresh water from Left Hand Creek in the Time end Wynona mines. <br />Sincerely, <br /> <br />Mark A. Steen <br />Gold Hill Ventures <br />MAS/rgj <br />Enclosure <br />