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• <br />List of Exhibits <br />Exhibit 1. Hydrologic Control Structures During Construction <br />Exhibit 2. Hydrologic Control Structures After Construction <br />Exhibit 3. Pond 1 & Pond 2 Design Detail Sheet <br />Exhibit 4. Riser Pipe Detail for Pond 1 During Construction (Without Perforations) <br />Exhibit 5. Riser Pipe Detail for Pond 1 After Construction (With Perforations) <br />Exhibit 6. Silt Fence Detail <br />• <br />Twentytmile Coal Company 18L Shaft Pad ii Water & Earth Technologies, Inc. <br />Drainage and Sediment Control System Design March 2, 2009