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October Ore Pile Reclamation Rule 8: ERP <br />110(d) Limited Impact Permit Application <br />Nuvemco LLC October Ore Pile Reclamation <br />Two springs are located within a two-mile radius of the October Ore Pile. Pepper Spring <br />is located in the NE%, SE%, Section 5, T50N, R19W approximately 1.0 mile west of the <br />ore pile. Cave Spring is located approximately 1.8 miles northeast of the ore pile in the <br />NE%, NW'/4, Section 2, T50N, R19W. It is not expected that either spring has been <br />affected by the ore pile. <br />The two stock ponds are located in the NE%, Section 5 and the SE%, Section 8 (both in <br />T50N, R19W). The Section 5 pond is located in a different drainage basin from the ore <br />pile; the Section 8 pond is in the same drainage basin but at a higher elevation. <br />6.4.20 (8) (b) The ore pile site and lands within a two-mile radius are underlain by <br />bedrock of the Salt Wash member of the Morrison formation. The Morrison overlies the <br />Navajo sandstone in this area. Both are Mesozoic formations which yield groundwater <br />for domestic, stock, and industrial purposes. Ground water concentrations of TDS, <br />chloride, and sulfate generally increase with depth in these units. Information regarding <br />the direction and flow rates of groundwater at the site is not available. <br />6.4.20 (8) (c) Bedrock exposed at the surface of the October Ore Pile site is sandstone <br />of the Salt Wash Member of the upper Jurassic-age Morrison Formation. Interbedded <br />mudstone and mineralized sandstone are also found with this unit. Uranium and <br />vanadium mineralization occur in bands within the upper part of the Salt Wash Member. <br />Below the sandstone, mudstone with interbedded sandstone is encountered. The Salt <br />Wash Member overlies the massive, lower Jurassic-age Navajo Sandstone. Both the <br />Morrison and Navajo yield groundwater for domestic, stock, and industrial uses in this <br />area. <br />6.4.20 (8) (d) Major fracture systems are not present in the bedrock formations <br />underlying the October Ore Pile site. There are no known active or inactive faults within <br />the vicinity of the site. <br />6.4.20 (8) (a) Neither surface water nor groundwater will be impacted by mining <br />operation activities as no mining operations will be undertaken in association with the <br />ore pile removal. <br />6.4.20 (9) Groundwater Quality Data <br />6.4.20 (9) (a) Existing groundwater usage on and within two miles down-gradient of <br />affected lands is limited to provision of water supplies for stock and wildlife. Reasonably <br />potential future use is expected to be similar. Use of local groundwater supplies in <br />mining operations is also a possibility. <br />6.4.20 (9) (b) Groundwater quality data at the site is not available. No monitoring <br />program has been established because the proposed site activity only involves removal <br />of an existing ore stockpile. <br />6.4.20 (10) Surface Water Control and Containment Facilities Information <br />6.4.20 (10) (a) No chemicals will be used in removal of the October Ore Pile. <br />51