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ANNUAL CERTIFICATION OF IMPOUNDMENT <br />WEST RIDGE CHECK DAM STRUCTURES <br />August 16, 2004 <br />I, the undersigned, certify that the West Ridge Check Dam Structures, numbers 9-21, based on <br />observations made during visual inspection on August 16, 2004, are structurally sound and capable <br />of performing the velocity check function that they were designed for. The features do impound <br />water and have storage capacity to capture sediment from surface water runoff. These structures <br />will, by design, eventually fill with sediment and cease to impound water. The structures were <br />built, and reconstructed, at a minimum, to meet design criteria outlined in the Edna Mine Permit <br />(#C-80-001). <br />Steve Linse <br />Colorado P.E. #35009 <br />